Independent Sources Of Information Research Articles

Opportunity identification and evaluation in franchisee business start-ups

Purpose The purpose of this paper is to examine franchisees’ business start-ups from an entrepreneurial perspective, adopting a process representative of entrepreneurship to examine opportunity identification and evaluation by franchisees and to analyse factors that influence this process. Design/methodology/approach A qualitative study was employed and data collected using semi-structured interviews with a sample of service industry franchisees in Macau. Findings The study identifies that social networks play a key role in opportunity identification and that franchisees’ goals influence the criteria used and information search activities undertaken while evaluating franchise opportunities. Research limitations/implications The study makes two contributions to franchise literature. It identifies that social networks can serve as substitutes for lack of prior knowledge in franchise opportunity identification. It also identifies the interrelated nature of franchisees’ goals based on the activities and criteria used to evaluate franchise opportunities, and the importance of relational criteria when franchisees lack prior industry knowledge. It therefore also contributes to franchise/entrepreneurship literature by identifying the interrelated nature of the factors contributing to the dynamics of franchise chain growth. Practical implications Franchisors should explore how to better use franchisees’ social networks and identify the longer term goals of prospective franchisees to support market penetration and franchise chain growth. Franchisees are advised to use independent information sources to evaluate franchise opportunities using goal-informed objectives and demand and relational criteria. Originality/value The study presents a more comprehensive understanding of franchisees’ decision-making process when joining franchise chains by identifying the activities undertaken and criteria used to identify and evaluate franchise opportunities.

When Ultrasonic Sensors and Computer Vision Join Forces for Efficient Obstacle Detection and Recognition.

In the most recent report published by the World Health Organization concerning people with visual disabilities it is highlighted that by the year 2020, worldwide, the number of completely blind people will reach 75 million, while the number of visually impaired (VI) people will rise to 250 million. Within this context, the development of dedicated electronic travel aid (ETA) systems, able to increase the safe displacement of VI people in indoor/outdoor spaces, while providing additional cognition of the environment becomes of outmost importance. This paper introduces a novel wearable assistive device designed to facilitate the autonomous navigation of blind and VI people in highly dynamic urban scenes. The system exploits two independent sources of information: ultrasonic sensors and the video camera embedded in a regular smartphone. The underlying methodology exploits computer vision and machine learning techniques and makes it possible to identify accurately both static and highly dynamic objects existent in a scene, regardless on their location, size or shape. In addition, the proposed system is able to acquire information about the environment, semantically interpret it and alert users about possible dangerous situations through acoustic feedback. To determine the performance of the proposed methodology we have performed an extensive objective and subjective experimental evaluation with the help of 21 VI subjects from two blind associations. The users pointed out that our prototype is highly helpful in increasing the mobility, while being friendly and easy to learn.

Describing habitat suitability of bobcats (Lynx rufus) using several sources of information obtained at multiple spatial scales

We investigated habitat use of bobcats (Lynx rufus) across spatial scales in New Hampshire, USA, by integrating independent sources of information into one statewide model of habitat suitability. First, statewide distribution of bobcats (second-order selection) was estimated using observations of bobcats solicited from the public. Probability functions indicated that areas where bobcats were not detected (no sightings) were characterized by high elevations and deep snow during winter. That pattern was corroborated by camera traps that were distributed among high and low-elevation landscapes. Second, bobcats equipped with GPS collars in two study areas were used to determine habitat use within established home ranges (third-order selection). Resource-selection probability functions developed from locations of marked bobcats indicated they selected forests, shrub/scrub, and wetlands, and avoided developed areas, agricultural areas, and open water relative to availability. Bobcats also avoided areas with high road densities and selected areas close to forest edges, and preferred rugged south-facing slopes. Finally, these measures of bobcat distribution were combined to obtain fine-scale estimates of bobcat habitat suitability across New Hampshire. A comparison of models of habitat suitability to an index of bobcat abundance (effort-corrected detections of bobcats by hunter) indicated that the hierarchical model (second-order multiplied by third-order of selection) provided a better description of statewide bobcat habitat than either single-scale analyses. As a result, we recommend caution when extrapolating information on the distribution of a species obtained at a limited spatial scale.

Media, State and Society in Bahia, Brazil

In this paper, I seek to assess the role of the media in ongoing subnational democratization processes from a State-in-society perspective. I use the case of Bahia, a state in North-Eastern Brazil, to assess ownership and social access to the media, the media’s autonomy from both the State and social actors as well as how conflicts between public interest and private profit are solved. We will thus understand the role of subnational media in sustaining pluralism and in providing independent sources of information, two critical dimensions of democracy.

Resilience, rapid transitions and regime shifts: Fingerprinting the responses of Lake Żabińskie (NE Poland) to climate variability and human disturbance since AD 1000

Rapid ecosystem transitions and adverse effects on ecosystem services as responses to combined climate and human impacts are of major concern. Yet few long-term (i.e. >60 years) quantitative observational time series exist, particularly for ecosystems that have a long history of human intervention. Here, we combine three major environmental pressures (land use, nutrients and erosion) with quantitative summer and winter climate reconstructions and climate model simulations to explore the system dynamics, resilience and the role of disturbance regimes in varved eutrophic Lake Żabińskie (NE Poland) since AD 1000. The comparison between these independent sources of information allows us to establish the coherence and points of disagreements between such data sets. We find that climate reconstructions capture noticeably natural forced climate variability, while internal variability is the dominant source of variability during most parts of the last millennium at the regional scale, precisely at which climate models seem to underestimate forced variability. Using different multivariate analyses and change point detection techniques, we identify ecosystem changes through time and shifts between rather stable states and highly variable ones. Prior to AD 1600, the lake ecosystem was characterised by high stability and resilience against observed natural climate variability. During this period, the anthropogenic fingerprint was small; the lake ecosystem was buffered against the combined human and natural disturbance. In contrast, lake–ecosystem conditions started to fluctuate across a broad range of states after AD 1600. The period AD 1745–1886 represents the phase with the strongest human disturbance of the catchment–lake ecosystem. During that time, the range of natural climate variability did not increase. Analyses of the frequency of change points in the multi-proxy data set suggest that the last 400 years were highly variable and increased vulnerability of the ecosystem to the anthropogenic disturbances. This led to significant rapid ecosystem transformations.

Color generalization across hue and saturation in chicks described by a simple (Bayesian) model.

Color conveys important information for birds in tasks such as foraging and mate choice, but in the natural world color signals can vary substantially, so birds may benefit from generalizing responses to perceptually discriminable colors. Studying color generalization is therefore a way to understand how birds take account of suprathreshold stimulus variations in decision making. Former studies on color generalization have focused on hue variation, but natural colors often vary in saturation, which could be an additional, independent source of information. We combine behavioral experiments and statistical modeling to investigate whether color generalization by poultry chicks depends on the chromatic dimension in which colors vary. Chicks were trained to discriminate colors separated by equal distances on a hue or a saturation dimension, in a receptor-based color space. Generalization tests then compared the birds' responses to familiar and novel colors lying on the same chromatic dimension. To characterize generalization we introduce a Bayesian model that extracts a threshold color distance beyond which chicks treat novel colors as significantly different from the rewarded training color. These thresholds were the same for generalization along the hue and saturation dimensions, demonstrating that responses to novel colors depend on similarity and expected variation of color signals but are independent of the chromatic dimension.

Studying the interplay of strong and electromagnetic forces in heavy-ion collisions with NICA

In the following we stress the advantages of the NICA research programme in the context of studying the spectator-induced electromagnetic phenomena present in heavy-ion collisions. We point at the specific interest of using these phenomena as a new, independent source of information on the space-time evolution of the reaction and of the non-perturbative process of particle production. We propose an extended series of measurements of well-defined observables to be performed in different types of nuclear reactions and in the whole range of collision energies available to NICA. We expect these measurements to bring very valuable new insight into the mechanism of non-perturbative strong interactions, complementary to the studies made at the SPS at CERN, RHIC at BNL, and the LHC.

A general valence asymmetry in similarity: Good is more alike than bad.

The density hypothesis (Unkelbach, Fiedler, Bayer, Stegmüller, & Danner, 2008) claims a general higher similarity of positive information to other positive information compared with the similarity of negative information to other negative information. This similarity asymmetry might explain valence asymmetries on all levels of cognitive processing. The available empirical evidence for this general valence asymmetry in similarity suffers from a lack of direct tests, low representativeness, and possible confounding variables (e.g., differential valence intensity, frequency, familiarity, or concreteness of positive and negative stimuli). To address these problems, Study 1 first validated the spatial arrangement method (SpAM) as a similarity measure. Using SpAM, Studies 2-6 found the proposed valence asymmetry in large, representative samples of self- and other-generated words (Studies 2a/2b), for words of consensual and idiosyncratic valence (Study 3), for words from 1 and many independent information sources (Study 4), for real-life experiences (Study 5), and for large data sets of verbal (i.e., ∼14,000 words reported by Warriner, Kuperman, & Brysbaert, 2013) and visual information (i.e., ∼1,000 pictures reported in the IAPS; Lang, Bradley, & Cuthbert, 2005; Study 6). Together, these data support a general valence asymmetry in similarity, namely that good is more alike than bad. (PsycINFO Database Record

French Politicians on Facebook and Twitter. Revitalizing political representation?

In contrast to the previous contribution, this paper tackles the issue of transparency and social media with a more national perspective. By looking at French deputies posts on Facebook and Twitter, but also by directly inquiring how French citizens assess the issue of political transparency on social media, this analysis aims at providing new insights into the issue as to whether the presence of politicians on social media can affect power relations between citizens and politicians. The underlying rationale is to find out whether this form of transparency ultimately enhances representative democracy. Over the last decades transparency has often been depicted as the ultimate remedy for various political, economic and societal problems. Stiglitz (1999; 2000; 2002) outlines the significance of transparency for averting market failures and enhancing public financing. Similarly, Lindstedt and Naurin (2010) investigate the capacity of transparency to reduce corruption and achieve fairer and more efficient governance, while Schultz and Kenneth (1998) analyse how better means of communication and transparency can diminish risks of war and international conflicts. Recent cases and scandals have added fuel to debates about transparency. The Luxleaks affair revealed the need for more transparency with regard to existing tax schemes for multinational companies (Gotev, 2015). The opacity of the TTIP negotiations has made experts and citizens suspicious regarding the content of this trading agreement and signal the risk of lowering safety standards and endangering customers’ safety. If we turn to the realm of politics, we quickly notice that the relationship between transparency and democracy has provoked intense and convoluted debates. Is transparency of governments a necessary feature of democratic regimes? Or, is transparency a political key for better governance? In his succinct definition of democracy, Schumpeter (1942) did not yet consider transparency as an inherent and essential characteristic of democratic regimes. Democracy, he argues, is only determined by the electoral competition and free elections. By contrast, Dahl (1971) - with his famous concept of Poliarchy – places transparency at the core of the democratic framework. As he claims, a democratic regime is not only a regime in which electors have the right to freely vote for their future representatives and governments, it is also a system that allows its citizens to be fully informed - by different and independent sources of information - before they cast their ballot. This implies a free and transparent flow of information.

MODEL ACCURACY COMPARISON FOR HIGH RESOLUTION INSAR COHERENCE STATISTICS OVER URBAN AREAS

The interferometric coherence map derived from the cross-correlation of two complex registered synthetic aperture radar (SAR) images is the reflection of imaged targets. In many applications, it can act as an independent information source, or give additional information complementary to the intensity image. Specially, the statistical properties of the coherence are of great importance in land cover classification, segmentation and change detection. However, compared to the amount of work on the statistical characters of SAR intensity, there are quite fewer researches on interferometric SAR (InSAR) coherence statistics. And to our knowledge, all of the existing work that focuses on InSAR coherence statistics, models the coherence with Gaussian distribution with no discrimination on data resolutions or scene types. But the properties of coherence may be different for different data resolutions and scene types. In this paper, we investigate on the coherence statistics for high resolution data over urban areas, by making a comparison of the accuracy of several typical statistical models. Four typical land classes including buildings, trees, shadow and roads are selected as the representatives of urban areas. Firstly, several regions are selected from the coherence map manually and labelled with their corresponding classes respectively. Then we try to model the statistics of the pixel coherence for each type of region, with different models including Gaussian, Rayleigh, Weibull, Beta and Nakagami. Finally, we evaluate the model accuracy for each type of region. The experiments on TanDEM-X data show that the Beta model has a better performance than other distributions.

MODEL ACCURACY COMPARISON FOR HIGH RESOLUTION INSAR COHERENCE STATISTICS OVER URBAN AREAS

Abstract. The interferometric coherence map derived from the cross-correlation of two complex registered synthetic aperture radar (SAR) images is the reflection of imaged targets. In many applications, it can act as an independent information source, or give additional information complementary to the intensity image. Specially, the statistical properties of the coherence are of great importance in land cover classification, segmentation and change detection. However, compared to the amount of work on the statistical characters of SAR intensity, there are quite fewer researches on interferometric SAR (InSAR) coherence statistics. And to our knowledge, all of the existing work that focuses on InSAR coherence statistics, models the coherence with Gaussian distribution with no discrimination on data resolutions or scene types. But the properties of coherence may be different for different data resolutions and scene types. In this paper, we investigate on the coherence statistics for high resolution data over urban areas, by making a comparison of the accuracy of several typical statistical models. Four typical land classes including buildings, trees, shadow and roads are selected as the representatives of urban areas. Firstly, several regions are selected from the coherence map manually and labelled with their corresponding classes respectively. Then we try to model the statistics of the pixel coherence for each type of region, with different models including Gaussian, Rayleigh, Weibull, Beta and Nakagami. Finally, we evaluate the model accuracy for each type of region. The experiments on TanDEM-X data show that the Beta model has a better performance than other distributions.

Read-based phasing of related individuals

Motivation: Read-based phasing deduces the haplotypes of an individual from sequencing reads that cover multiple variants, while genetic phasing takes only genotypes as input and applies the rules of Mendelian inheritance to infer haplotypes within a pedigree of individuals. Combining both into an approach that uses these two independent sources of information—reads and pedigree—has the potential to deliver results better than each individually.Results: We provide a theoretical framework combining read-based phasing with genetic haplotyping, and describe a fixed-parameter algorithm and its implementation for finding an optimal solution. We show that leveraging reads of related individuals jointly in this way yields more phased variants and at a higher accuracy than when phased separately, both in simulated and real data. Coverages as low as 2× for each member of a trio yield haplotypes that are as accurate as when analyzed separately at 15× coverage per individual.Availability and Implementation: https://bitbucket.org/whatshap/whatshapContact: t.marschall@mpi-inf.mpg.de

Spot the difference: Two cryptic species of Gyrodactylus von Nordmann, 1832 (Platyhelminthes: Monogenea) infecting Astyanax aeneus (Actinopterygii, Characidae) in Mexico

Over the course of one year, undescribed specimens of Gyrodactylus were recovered from banded tetra, Astyanax aeneus collected in the La Antigua and Nautla river basins in central Veracruz, Mexico. Parasites were processed for morphometric and molecular analyses. Morphometrically, Gyrodactylus samples collected in the La Antigua river had slightly smaller haptoral structures than those collected from the Nautla river. During the 12month-collection of samples, however, water temperature varied considerably (ca. 20°C to 30°C), and this abiotic factor is known to affect the size of gyrodactylid attachment structures. Moreover, no clear discrimination was possible between individual parasites collected from the two rivers based on the morphology of the marginal hook, which is recognised as a very informative character to discriminate between species. The morphology of the ventral bar, however, differed between specimens from both rivers: worms from Nautla all had long, rounded processes on the ventral bar, which formed a relatively closed angle with the dorsal edge of the bar proper, while most – but not all – specimens from La Antigua had comparatively slender processes forming a more open angle with respect to the ventral bar. Phylogenetic analyses based on the sequences of the ITS1, 5.8S rRNA gene, and ITS2 of gyrodactylids indicated the existence of two distinct, well-supported lineages whose sequences differ by >4%, one of which was only found in the Nautla basin, while the other was collected in both river systems. A posteriori, principal component analysis (PCA) of the morphometric data of sequenced specimens indicated that features of the dorsal bar, the hamuli and the ventral bar enable discrimination between the two phylogenetic lineages. Based on these independent sources of information (morphometric and molecular data), two new species of Gyrodactylus are described: Gyrodactyluspakan n. sp. and Gyrodactylusteken n. sp. The phylogenetic relationships of both new species to other gyrodactylids infecting characiformes (for which molecular data are available) are presented, which suggests that their closest relative is Gyrodactylus carolinae, a parasite of Characidium lanei in Brazil.

Sidedness, commercial intent and expertise in blog advertising

Currently, the internet is the main product information source for many consumer goods, mainly because of the irruption of consumer reviews based on blogging. Messages placed on them are usually perceived as a reliable and independent source of information, compared to traditional advertising. Also, blogs are websites that have a high personal nature perception. Using a 2×2×2 factorial design, this study seeks to evaluate the effectiveness of blogging commercial messages, measuring the influence of the message sidedness, communicator expertise and advertising intent and tests their influence over advertising effectiveness (measured as credibility and behavioral intention). Results show the relevance of using two-sided messages, expert sources and unbiased (non-sponsored) messages in terms of increase blog credibility and behavioral intention toward the reviewed product. Interactions of the variables are also examined.

Revision of the Malagasy Camponotus edmondi species group (Hymenoptera, Formicidae, Formicinae): integrating qualitative morphology and multivariate morphometric analysis.

The Malagasy Camponotus edmondi species group is revised based on both qualitative morphological traits and multivariate analysis of continuous morphometric data. To minimize the effect of the scaling properties of diverse traits due to worker caste polymorphism, and to achieve the desired near-linearity of data, morphometric analyses were done only on minor workers. The majority of traits exhibit broken scaling on head size, dividing Camponotus workers into two discrete subcastes, minors and majors. This broken scaling prevents the application of algorithms that uses linear combination of data to the entire dataset, hence only minor workers were analyzed statistically. The elimination of major workers resulted in linearity and the data meet required assumptions. However, morphometric ratios for the subsets of minor and major workers were used in species descriptions and redefinitions. Prior species hypotheses and the goodness of clusters were tested on raw data by confirmatory linear discriminant analysis. Due to the small sample size available for some species, a factor known to reduce statistical reliability, hypotheses generated by exploratory analyses were tested with extreme care and species delimitations were inferred via the combined evidence of both qualitative (morphology and biology) and quantitative data. Altogether, fifteen species are recognized, of which 11 are new to science: Camponotus alamaina sp. n., Camponotus androy sp. n., Camponotus bevohitra sp. n., Camponotus galoko sp. n., Camponotus matsilo sp. n., Camponotus mifaka sp. n., Camponotus orombe sp. n., Camponotus tafo sp. n., Camponotus tratra sp. n., Camponotus varatra sp. n., and Camponotus zavo sp. n. Four species are redescribed: Camponotus echinoploides Forel, Camponotus edmondi André, Camponotus ethicus Forel, and Camponotus robustus Roger. Camponotus edmondi ernesti Forel, syn. n. is synonymized under Camponotus edmondi. This revision also includes an identification key to species for both minor and major castes, information on geographic distribution and biology, taxonomic discussions, and descriptions of intraspecific variation. Traditional taxonomy and multivariate morphometric analysis are independent sources of information which, in combination, allow more precise species delimitation. Moreover, quantitative characters included in identification keys improve accuracy of determination in difficult cases.

Time-variable gravity fields derived from GPS tracking of Swarm

Abstract Since 2002 Gravity Recovery and Climate Experiment (GRACE) provides monthly gravity fields from K-band ranging (KBR) between two GRACE satellites. These KBR gravity monthlies have enabled the global observation of time-varying Earth mass signal at a regional scale (about 400 km resolution). Apart from KBR, monthly gravity solutions can be computed from onboard GPS data. The newly reprocessed GPS monthlies from 13 yr of GRACE data are shown to yield correct time-variable gravity signal (seasonality, trends, interannual variations) at a spatial resolution of 1300 km (harmonic degree 15). We show that GPS fields from new Swarm mission are of similar quality as GRACE GPS monthlies. Thus, Swarm GPS monthlies represent new and independent source of information on time-variable gravity, and, although with lower resolution and accuracy, they can be used for its monitoring, particularly if GRACE KBR/GPS data become unavailable before GRACE Follow-On is launched (2017 August).

The Potential Evaluation of Multisource Remote Sensing Data for Extracting Soil Moisture Based on the Method of BP Neural Network

. The Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12) conducted in Manitoba, Canada, over a 6-week period in 2012 provided high-quality data for soil moisture and vegetation, captured over a wide range of conditions coincident with airborne active and passive microwave acquisitions. In this study, the dataset measured in SMAPVEX12 was used as the input data of the backpropagation (BP) neural network to analyze the potential of different data sources or combination of data sources in the research of soil moisture inversion. By the analysis and comparison of the results, some valuable conclusions have been obtained: (1) passive microwave data has a stronger and more direct connection with the near-surface soil moisture (top 0∼6 cm) than the active microwave sensing (radar backscatter coefficient) does, because the active microwave is more sensitive to the confounding effects of vegetation and surface roughness. (2) For the active microwave data, some combination form of the horizontal transmit and horizontal receive (HH) and vertical transmit and horizontal receive (VH) is a more rational selection than only HH to serve as one of the independent information sources for extracting the soil moisture. (3) The optical vegetation information provides the rich vegetation information that is indispensable for the microwave remote sensing data, especially for passive remote sensing, to extract the soil moisture with the average correlation coefficient increased by more than 0.05, at least, when adding the optical vegetation data. (4) Two kinds of forms of the optical vegetation information, either Vegetation Water Content (VWC) or Normalized Difference Water Index (NDWI), show no obvious differences to provide as auxiliary information for microwave remote sensing data in extracting soil moisture.

Primary bone microanatomy records developmental aspects of life history in catarrhine primates

A central challenge in human origins research is to understand how evolution has shaped modern human life history. As fossilized remains of our ancestors provide the only direct evidence for life history evolution, efforts to reconstruct life history in paleontological contexts have focused on hard tissues, particularly on dental development. However, among investigators of other vertebrate groups, there is a long tradition of examining primary bone microstructure to decipher growth rates and maturational timing, based on an empirical relationship between the microanatomy of primary bone and the rate at which it is deposited. We examined ontogenetic variation in primary bone microstructure at the midshaft femur of Chlorocebus aethiops, Hylobates lar, and Pan troglodytes to test whether tissue type proportions vary in accordance with predictions based on body mass growth patterns described previously. In all taxa, younger age classes were characterized by significantly higher percent areas of fibro-lamellar and/or parallel-fibered tissues, while older age classes showed significantly higher proportions of lamellar bone. In prior experimental studies, fibro-lamellar and parallel-fibered tissue types have been associated with faster depositional rates than lamellar bone. Principal components analysis revealed differences among taxa in the timing of this transition, and in the particular tissue types observed among individuals of similar dental emergence status. Among M1 and M2 age classes, higher proportions of parallel-fibered and fibro-lamellar tissues were observed in those taxa characterized by reportedly faster body mass growth rates. Further, persistence of fibro-lamellar tissue throughout DECID, M1 and M2 age classes in chimpanzees contrasts with the pattern reported previously for modern humans. Despite the necessary limitations of our cross-sectional study design and the secondary remodeling of bone in primates, large areas of primary bone remain intact and represent a valuable and independent source of information about the evolution of growth and development in the fossil record.

The accuracy of management profit forecasts in IPO prospectuses

Purpose – The purpose of this paper is to measure the accuracy of management profit forecast in initial public offerings (IPO) prospectuses and investigate the determinants of any observed forecast error in Indonesia. Design/methodology/approach – A sample of 105 Indonesian IPO firms over a ten-year period, 1999-2008, is used in the present study. The accuracy of management profit forecasts, or forecast errors, in IPO prospectuses is calculated, following Lee et al. (2006), over the ten-year sample period. Then, a multivariate model, following the extant literature, is used to identify the determinants of any observed forecast error in Indonesia. Findings – A mean (median) forecast error of 19 percent (9 percent) is reported over the entire sample period. Multivariate analysis shows that, among the explanatory variables used in the present study, forecast horizon and management optimism seem to be the most significant determinants of forecast error in Indonesia. Research limitations/implications – The ordinary, specifically small, investors in Indonesia lack the sophistication needed to evaluate new issues while alternative independent sources of information or analysis on IPOs are virtually non-existent. Consequently, whether the forecasts made by the managers during IPOs are reliable or not is of particular importance in Indonesia. Originality/value – Indonesia is a significant emerging market in Asia. However, to date, no published work has examined the accuracy of management profit forecasts or forecast errors in this market. The present study attempts to fill this gap in the literature and is the first to capture the magnitude/degree of forecast accuracy or error and investigate the determinants of the documented forecast error in Indonesia using a sample of 105 IPO firms over the period 1999 through 2008.

Evaluation of Adherence of Drug Promotional Literatures (DPLs) to World Health Organization Guidelines

There is limited mechanism to monitor the drug promotional campaign by pharmaceutical industries despite the fact that there is enough evidence of irrational pharmacotherapy increasingly encountered even in the developed countries. Unethical pharmaceutical promotional practice is a common cause of irrational pharmacotherapy which is a most common problem worldwide. Main objective of this study was to evaluate the medicinal promotional literatures provided by the pharmaceutical companies for accuracy, consistency and validity of the information presented in it, using World Health Organization (WHO) criteria for ethical medicinal drug promotion. Two hundred & fifty (n=250) literatures were collected randomly from selected doctors chambers in Barisal, Bangladesh. One hundred & thirty (130) of those literatures were excluded for being either duplicates, reminder literatures, promoting medical devices or cosmetics. The remaining (120) literatures were then screened to match their macro-informational contents against same advised in world health organization ethical criteria for medicinal drug promotion. The name of active constituent(s), content of active ingredient(s) per dosage form & brand name, were mentioned in 100% (n = 120) of promotional literatures, whereas dosage form were mentioned in 91.66% (n = 110), therapeutic indications were mentioned in 99.1% (n = 119) of literatures but informations on side effects mentioned in only 55.33% (n = 70), contraindications in 63.33 % (n = 76), precautions in 51.67% (n = 62) & references in 70 % (n = 84) of drug promotional literatures (DPLs). None of them mention anything about adjuvant. None of the promotional literatures fulfilled all the WHO criteria. Screened literatures were found to display poorly reliable and unbalanced medication information. Healthcare providers shall, accordingly, seek independent medicinal information sources, and not solely depend on commercial sources of medicinal information. Official regulators shall strictly define and mandate medication information contents in printed pharmaceutical promotional materials. Healthcare providers should, also, master the skills of appraising such promotional printed materials if rational medication use is to be achieved. Pharmaceutical industries did not follow the WHO guidelines while promoting their products, thus aiming to satisfying their commercial motive rather than fulfilling the educational aspect of promotion.Faridpur Med. Coll. J. 2014;9(2): 88-91