Good Level Of Reliability Research Articles

A New Adaptation of the Authentic Leadership Questionnaire in Turkish: Evidence From Nursing.

There is a wide range of leadership approaches, and it is important to measure the types and impact of leadership in nursing. This study aimed to adapt the Authentic Leadership Questionnaire and test its suitability in the Turkish nursing context. Employing a two-phase cross-cultural research design in accordance with STROBE guidelines, language adaptation was conducted following ISPOR guidelines. Subsequently, data were collected from a sample of 382 nurses across three hospitals in İzmir, Turkey. The confirmatory factor analysis confirmed the four sub-scale structures and indices revealed an adequate fit. The content validity index score was 0.97 for the questionnaire and greater than 0.80 for its items, demonstrating excellent validity. The intraclass correlation coefficient obtained was 0.80, indicating a good level of reliability. The findings confirm the questionnaire has the potential to determine the extent and impact of authentic leadership being practiced in hospital settings. It could be used in a range of hospital settings to ensure that accurate evidence concerning authentic leadership is gathered and used to inform the further development of nursing leadership more widely.

Inference for big data assisted by small area methods: an application on sustainable development goals sensitivity of enterprises in Italy

Abstract In this study, we proposed a new method for estimating the sensitivity of enterprises in Italy to the United Nation’s sustainable development goals at the provincial level using web-scraping data (a nonprobability sample) because this value is not surveyed by the Italian National Institute of Statistics. The proposed method used a probability sample to reduce the selection bias of estimates obtained from the nonprobability sample in the context of small area estimation and integrated nonprobability and probability samples using a double robust estimator that combined (i) propensity weighting to improve the representativeness of the nonprobability sample and (ii) a statistical model to predict the units that were not in the nonprobability sample. A bootstrap procedure for estimating variance was also proposed. To validate the proposed method, a Monte Carlo simulation was performed. Results showed that the proposed method allowed the correction of bias from the nonprobability sample while maintaining a good level of estimate reliability.

Measurement of Science Literacy Skills of Elementary School Teacher Education Students: Development and Validity Testing of Assessment Instruments

This study aims to develop and test the validity and reliability of a scientific literacy instrument for students of the Elementary School Teacher Education (PGSD) Program. The instrument was designed to measure three dimensions of scientific literacy: content knowledge, procedural knowledge, and epistemic knowledge, focusing on Earth and Space Science topics. A total of 18 questions were constructed based on indicators that assess the ability to explain scientific phenomena, evaluate scientific investigations, and interpret scientific data. The instrument was tested on 33 PGSD students at Universitas Sebelas Maret (UNS) and analyzed using the Content Validity Index (CVI) and reliability tests via SPSS software. The results indicated that most items were valid, with an S-CVI/Ave value of 0.981 and an S-CVI/UA value of 0.8333. However, one item was found invalid with an I-CVI score of 0.67. The reliability test showed that some questions had a good level of reliability, while others required revision due to low reliability. Additionally, analysis using the Item Response Theory (IRT) revealed that the questions varied in difficulty and discrimination, with most questions having positive discrimination values and a range of difficulty levels. Overall, the instrument was found to be valid and reliable for assessing the scientific literacy of PGSD students, although some questions need revision to improve consistency and accuracy.

Organizational Culture and Knowledge Management in a Basic Education Educational Institution

There is a broad consensus that knowledge management represents an asset that can be used by different organizations as long as it is incorporated within the framework of an organizational culture. In this context, the research aimed to determine the influence of organizational culture on knowledge management in basic education institutions. Basic research taken from a non-experimental, correlational design, took a sample of 150 teachers. Standardized instruments were applied for both variables which had a good level of reliability. It was found that 51.3% of teachers characterized the organizational culture at a process level and 43.3% at the same level for Knowledge Management. The ordinal regression model allowed us to determine that the characteristics of the organizational culture configure a model for knowledge management. The Nagelkerke coefficient showed that organizational culture predicts 39.4% of knowledge management levels in basic education institutions.

Online unsupervised performance-based cognitive testing: A feasible and reliable approach to scalable cognitive phenotyping of Parkinson's patients

IntroductionA better understanding of the heterogeneity in the cognitive and mood symptoms of Parkinson's disease will require research conducted in large samples of patients. Fully online and remote research assessments present interesting opportunities for scaling up research but the feasibility and reliability of remote and fully unsupervised performance-based cognitive testing in individuals with Parkinson's disease is unknown. This study aims to establish the feasibility and reliability of this testing modality in Parkinson's patients. MethodsSixty-seven Parkinson's patients and 36 older adults completed two sessions of an at-home, online battery of five cognitive tasks and three self-report questionnaires. Feasibility was established by examining completion rates and data quality. Test-retest reliability was evaluated using the Intraclass Correlation Coefficient (ICC (2,1)). ResultsOverall completion rates and data quality were high with few participant exclusions across tasks. With regards to test-retest reliability, intraclass correlation coefficients were quite variable across measures extracted from a task as well as across tasks, but at least one standard measure from each task achieved moderate to good reliability levels. Self-report questionnaires achieved a higher test-retest reliability than cognitive tasks. Feasibility and reliability were similar between Parkinson's patients and older adults. ConclusionThese results demonstrate that remote and unsupervised testing is a feasible and reliable method of measuring cognition and mood in Parkinson's patients that achieves levels of test-retest reliability that are comparable to those reported for standard in-person testing.

Costs and benefits of item reduction: The abridgment of the Emotion Regulation Questionnaire (ERQ)

Shortening existing instruments is a highly required procedure, as short scales may have several advantages over the long versions, especially in time and/or resources restrictions. However, abbreviated forms may be weaker than their parent versions from both content coverage and psychometric robustness. Also, the abridgment of instruments is often lacking in methodological strictness, and the potential drawbacks of the shortened scales are rarely reported. The current study aims to describe the whole process of scale shortening, emphasizing the potential costs and benefits, in terms of balance between time-resource savings and loss of validity and reliability. We shortened the Emotion Regulation Questionnaire (ERQ), involving a sample of 459 participants (53.2% males). Item reduction was driven by searching to preserve the content breadth of the construct and scale's psychometric quality. Our results supported the two-factor structure of the measure (Cognitive Reappraisal and Expressive Suppression), χ2(8) = 11.357 ns, CFI = 0.995, TLI = 0.990, RMSEA = 0.030 (0.000–0.067), SRMR = 0.031, and three items were selected for each subscale. The two intended factors showed good levels of reliability (α > 0.710). A latent variable model was performed to evaluate how the original ERQ and our proposed short version (ERQS) were related to depression, anxiety, and stress: A similar pattern of associations was found, with Cognitive Reappraisal (negatively) and Expressive Suppression (positively) reporting significant but weak associations. The ERQ-S can be beneficial over the original version, as it effectively assesses the two emotion regulation strategies with a trivial loss in reliability and predictive validity.

Serious game for cognitive assessment. Validation of a psychometric embedded test

The evaluation of performance in serious video games is crucial when it comes to providing empirical evidence of the effectiveness of this type of educational tools. In turn, the design of psychometric tests demands specific procedures aimed at estimating validity levels. This paper presents the validation process of a psychometric test embedded in a video game, for the assessment of executive functions, understood as a set of cognitive processes associated with the functioning of the frontal lobes, including planning, inhibition, flexibility and monitoring. The sample consisted of 171 participants aged between 5 and 12 years (Mean=8.27; SD=1.589), students at elementary school. The analyses performed included Cronbach's Alpha and McDonald's Omega internal consistency indexes and an Exploratory Factor Analysis. The results indicate good levels of reliability and excellent fit indices for a two-factor model

Adaptation of the PG-13-R Instrument to Measure Prolonged Grief Disorder in Adolescents

Grief due to the loss of a loved one is a normal reaction that can be experienced by teenagers, but if it interferes with daily life and lasts for a long time, this condition can develop into a prolonged grief disorder. The PG-13-R instrument was introduced by Holly Prigerson, designed to measure prolonged grief disorder. Research is needed to confirm the psychometric performance of the PG-13-R in samples with broader ethnicities. This research involved 242 students at SMKN 1 Tasikmalaya, Indonesia using a descriptive quantitative approach. This research aims to measure and describe the characteristics of the validity and reliability of the Indonesian version of the PG-13-R instrument for adolescents who have experienced loss. The results of the validity and reliability test show that the Indonesian version of the PG-13-R instrument has a good level of validity and reliability, with all items declared valid and a high reliability value (Cronbach's alpha = 0.888). Thus, the adapted PG-13-R instrument can be indicated as a valid and reliable measuring tool for identifying prolonged grief disorders in adolescents in Indonesia.

Inter-rater reliability of the Early Assessment Risk List Version 3 (EARL-V3) for children displaying antisocial behavior

BackgroundIdentification of risks is foundational to the development of strategies to prevent conduct problems in children. The Early Assessment Risk List Version 3 (EARL-V3) is a Structured Professional Judgment (SPJ) instrument designed for application to children exhibiting antisocial behavior. The revised EARL-V3 (2021) encourages users to be responsive to gender and cultural issues and is designed to assist in treatment planning. While previous versions of the EARL have undergone extensive testing, reliability has not been established for the new version. MethodsThe present study yields Intraclass Correlation Coefficients (ICCs) for the three EARL-V3 subscales and the total score. Additional analyses are based on Gwet’s AC1 method for examining individual items. Four rater pairs assessed a selection of 124 children (50 girls, 74 boys; six to 12 years). Case files included child and caregiver interviews and clinical assessments. ResultsWe found moderate to excellent agreement for two of the three subscales and the total score, and poor to moderate agreement for one subscale. The individual items ranged from fair to almost perfect agreement. The Overall Clinical Risk Judgement revealed fair to moderate inter-rater agreement. The results largely remained when analyzed based on gender. Some differences were seen for individual risk factors. ConclusionThe EARL-V3 has a good level of inter-rater reliability, comparable or superior to previous versions of the EARL and to other SPJ instruments.

Mechanical evaluation of DIW-printed carbon nanofibers - alumina-toughened zirconia composites

Direct ink writing (DIW) offers cost-effective fabrication of intricate ceramic structures. However, the mechanical properties (reliability) of DIW-obtained components have been inadequate for structural applications. This study aimed to improve mechanical properties of DIW alumina-toughened zirconia (ATZ) composite filaments with and without carbon nanofibers (CNFs). Optimized debinding and sintering conditions were determined for Conventional Sintering (CS) and Spark Plasma Sintering (SPS). The influence of nozzle diameter, CNF content and sintering method on the fracture strain, Young’s modulus, flexural strength and Weibull modulus was carefully assessed via correlation analyses. CNFs, although intended to enhance properties, were often agglomerated, which negatively affected mechanical properties. Smaller nozzle diameters enhanced Young’s modulus, with CS-sintered ATZ filaments showing transformation-induced plasticity (TRIP). Mechanical properties rivaled or surpassed those of conventional techniques (e.g., cold isostatic pressing, slip casting) with a good level of mechanical reliability achieved. Overall, DIW showed promise for ceramic materials, particularly ductile Ce-TZP-based composites.

ON THE JOB TRAINING DESIGN IN IMPROVING PERFORMANCE AT 4.0 ERA: STUDY ON AUTOMOTIVE INDUSTRY IN INDONESIA

At 4.0 era of industrial revolution, training’s role becomes more important for organizations because it will increase effectiveness and efficiency not only for individuals but for organizations. Many things affect performance, but the most important factor in improving performance is training. This study aims to evaluate On the Job Training design implementation at PT YXZ and see how the variables in the OJT design contribute to improving employee performance. Sampling technique method is probability random sampling with the Slovin formula according to the number of employees of each unit. The population in this study were all permanent employees with a total of 1,665. Samples were taken from various positions and tenure. The number of samples obtained was 323 employees. The results of the validity and reliability test are known that the Cronbach’s Alpha value of each indicator is above 0.9 so it can be said that all indicators have a very good level of reliability. The Pearson Product Moment correlation value is above 0.8 so that the measuring instrument is considered valid. Based on the results of the frequency distribution, it was found that according to OJT, 70.51% respondents had been implemented quite well. The results of the simultaneous regression test resulted in a Pvalue = 0.000 (P< 0.05) which means that Ho was rejected and Ha was accepted. The value of how much influence the overall indicator on the effectiveness of OJT is displayed in the regression model as follows, OJT Factor Value = 2,422 + 0.015 (total value of OJT Implementation items). The results of this study prove that the design model in OJT have a significant influence in to performance.

아동 청소년을 위한 외상 후 스트레스 평가 도구

This study aims to validate the Korean version of the Child and Adolescent Trauma Screen 2 and to develop a shortened version of the scale. For this purpose, data were collected and analyzed from 356 pairs of children and their caregivers and 533 adolescents. The results indicated that the items were appropriate, and internal reliability of the sub-factors ranged from .88 to .97, demonstrating a good level of reliability. Confirmatory factor analysis confirmed that DSM-5 PTSD fits a 4-factor model, and ICD-11 Complex PTSD fits a 2-factor hierarchical model. Additionally, the cutoff scores were calculated using ROC curve analysis to confirm that K-CATS-2 discriminates well among PTSD clinical groups. Furthermore, correlational analyses with relevant scales demonstrated good concurrent validity. Finally, a brief version of 4 items(5, 7, 11, and 18) was proposed to enhance its utilization in clinical settings, and the internal reliability of the shortened version was good. The implications of the study findings and suggestions for future studies were discussed.

The Behaviour Change Technique Ontology: Transforming the Behaviour Change Technique Taxonomy v1

Background The Behaviour Change Technique Taxonomy v1 (BCTTv1) specifies the potentially active content of behaviour change interventions. Evaluation of BCTTv1 showed the need to extend it into a formal ontology, improve its labels and definitions, add BCTs and subdivide existing BCTs. We aimed to develop a Behaviour Change Technique Ontology (BCTO) that would meet these needs. Methods The BCTO was developed by: (1) collating and synthesising feedback from multiple sources; (2) extracting information from published studies and classification systems; (3) multiple iterations of reviewing and refining entities, and their labels, definitions and relationships; (4) refining the ontology via expert stakeholder review of its comprehensiveness and clarity; (5) testing whether researchers could reliably apply the ontology to identify BCTs in intervention reports; and (6) making it available online and creating a computer-readable version. Results Initially there were 282 proposed changes to BCTTv1. Following first-round review, 19 BCTs were split into two or more BCTs, 27 new BCTs were added and 26 BCTs were moved into a different group, giving 161 BCTs hierarchically organised into 12 logically defined higher-level groups in up to five hierarchical levels. Following expert stakeholder review, the refined ontology had 247 BCTs hierarchically organised into 20 higher-level groups. Independent annotations of intervention evaluation reports by researchers familiar and unfamiliar with the ontology resulted in good levels of inter-rater reliability (0.82 and 0.79, respectively). Following revision informed by this exercise, 34 BCTs were added, resulting in the first published version of the BCTO containing 281 BCTs organised into 20 higher-level groups over five hierarchical levels. Discussion The BCTO provides a standard terminology and comprehensive classification system for the content of behaviour change interventions that can be reliably used to describe interventions. The development and maintenance of an ontology is an iterative and ongoing process; no ontology is ever ‘finished’. The BCTO will continue to evolve and grow (e.g. new BCTs or improved definitions) as a result of user feedback and new available evidence.

Maximizing the Reliability and Precision of Measures of Prefrontal Cortical Oxygenation Using Frequency-Domain Near-Infrared Spectroscopy.

Frequency-domain near-infrared spectroscopy (FD-NIRS) has been used for non-invasive assessment of cortical oxygenation since the late 1990s. However, there is limited research demonstrating clinical validity and general reproducibility. To address this limitation, recording duration for adequate validity and within- and between-day reproducibility of prefrontal cortical oxygenation was evaluated. To assess validity, a reverse analysis of 10-min-long measurements (n = 52) at different recording durations (1-10-min) was quantified via coefficients of variation and Bland-Altman plots. To assess within- and between-day within-subject reproducibility, participants (n = 15) completed 2-min measurements twice a day (morning/afternoon) for five consecutive days. While 1-min recordings demonstrated sufficient validity for the assessment of oxygen saturation (StO2) and total hemoglobin concentration (THb), recordings ≥4 min revealed greater clinical utility for oxy- (HbO) and deoxyhemoglobin (HHb) concentration. Females had lower StO2, THb, HbO, and HHb values than males, but variability was approximately equal between sexes. Intraclass correlation coefficients ranged from 0.50-0.96. The minimal detectable change for StO2 was 1.15% (95% CI: 0.336-1.96%) and 3.12 µM for THb (95% CI: 0.915-5.33 µM) for females and 2.75% (95%CI: 0.807-4.70%) for StO2 and 5.51 µM (95%CI: 1.62-9.42 µM) for THb in males. Overall, FD-NIRS demonstrated good levels of between-day reliability. These findings support the application of FD-NIRS in field-based settings and indicate a recording duration of 1 min allows for valid measures; however, data recordings of ≥4 min are recommended when feasible.

Between-session reliability of dry-land and in-water tests to measure inter-limb asymmetries in swimmers

ABSTRACT The aims of the present study were to: i) analyse the between-session reliability of dry-land and in-water swimming tests, and ii) investigate the prevalence of meaningful asymmetries in swimming athletes. Twenty-eight swimmers (21 males, 7 females) performed anthropometric, shoulder range of motion (ROM), countermovement jump, shoulder isokinetic torque, and 15-s tethered swimming tests two times, 1 week apart. Inter-limb asymmetries were calculated for each variable. Raw data reliability was determined using the intraclass coefficient correlation (ICC) and the typical error of measurement (TEM), and effect size (ES) was used to determine systematic bias between test sessions. At an individual level, inter-limb asymmetries were compared to the coefficient of variation (CV) to determine whether they were real. The between-session reliability was good to excellent (0.75 to 1.00) for most of the raw data, except for ROM. Between-session ES was predominately “trivial” or “small” for raw data and asymmetries, reinforcing that the values did not change significantly between the sessions. In addition, real asymmetries were seen in some tested metrics, depending on the test. In conclusion, the tested variables presented good levels of between-session reliability and were able to detect real and consistent asymmetries.

Evaluation of the optimal number of steps to obtain reliable running spatio-temporal parameters and their variability

BackgroundSpatio-temporal running parameters and their variability help to determine a runner's running style. However, determining whether a change is due to the measurement or to a specific condition such as an injury is a matter of debate, as no recommendation on the number of steps required to obtain reliable assessments exists. Research questionWhat is the optimal number of steps required to measure different spatio-temporal parameters and study their variability at different running speeds? MethodsTwenty-five runners performed three experimental sessions of three bouts of treadmill running at 8, 10 and 12 km/h separated by 24 h. We measured cadence, stride, step, contact and flight time. We calculated the duty factor and the leg stiffness index (Kleg). Mean spatio-temporal parameters and linear (coefficient of variation, standard deviation) and non-linear (Higuchi fractal index, α1 coefficient of detrended fluctuation analysis) analyses were computed for different numbers of steps. Relative reliability was determined using the intraclass coefficient correlation. The minimal number of steps which present a good reliability level was considered as the optimal number of steps for measurement. Absolute reliability was assessed by calculating minimal detectable change. ResultsTo assess the mean values of spatio-temporal running parameters, between 16 and 150 steps were required. We were unable to obtain an optimal number of steps for cadence, stride and step-time variabilities for all speeds. For the linear analyses, we deduced the optimal number of steps for Kleg and the contact time (around 350 steps). Non-linear analyses measurements required between 350 and 540 steps, depending on the parameter. SignificanceResearchers and clinicians should optimize experimental conditions (number of steps and running speed) depending on the parameter or the variability analysis targeted. Future studies must use absolute reliability metrics to report changes in response to a specific condition with no bias due to measurement error.

A Questionnaire of Artificial Intelligence Use Motives: A Contribution to Investigating the Connection between AI and Motivation

This study introduces the Questionnaire of AI Use Motives (QAIUM), an instrument designed to measure motivation levels in individuals using artificial intelligence (AI) applications. Building on a theoretical framework that emphasizes motivation over dispositions and defines motivation as expectancy/value, the QAIUM aims to fill a research gap in understanding the motivational factors that govern AI application use. Previous studies have often overlooked this human aspect, focusing instead on technological facets while failing to provide a robust theoretical foundation for measuring motivation. The QAIUM, administered to 1068 university students across various degree programs, was evaluated for its factorial structure, reliability, discriminatory capacity, and correlation with the General Attitudes to Artificial Intelligence Scale (GAAIS). The results demonstrate that the QAIUM aligns with the Eccles and Wigfield motivation model, boasts good reliability levels, discriminatory capacity, and a significant correlation with GAAIS, confirming its validation and reliability. Hence, the QAIUM provides an effective tool for investigating motivational factors affecting AI application utilization in academic instruction and intervention.

A comparison of Scansys and Sirius tomography in healthy eyes

PurposeTo assess the level of agreement and evaluate the reliability of measurements between two Scheimpflug imaging modalities, Scansys (MediWorks, China) and Sirius (CSO, Italy), in quantifying the anterior segment parameters in healthy eyes.MethodsIn a cross-sectional study, the right eyes of 38 healthy participants without any ocular or systemic diseases were examined. A range of anterior segment parameters including anterior and posterior flat and steep keratometry, central corneal thickness (CCT), thinnest corneal thickness (TCT), anterior chamber depth (ACD), anterior chamber angle (ACA), corneal volume, anterior chamber volume, and horizontal white to white diameter, derived from the sagittal curvature maps were measured. To evaluate the reliability of the measurements, intraclass correlation coefficient (ICC) and correlation coefficient were measured. Additionally, Bland-Altman plots were employed to examine the agreement in mean (bias line) and 95% limits of agreement between the two devices.ResultsThe mean age was 31.5 ± 6.9 (range: 19–47) years. The ICC indicated that the majority of anterior segment parameters had an excellent or good level of reliability, surpassing the threshold of 0.9. Nevertheless, CCT and ACA exhibited a moderate level of reliability, with ICC values of 0.794 and 0.728, respectively. The correlation analysis showed a strong correlation for all the variables tested. The Bland-Altman plots revealed that the bias line was near zero and the 95% limits of agreement were narrow for most variables, except for the anterior flat and steep keratometry, which were found to range from − 0.57 to 0.84 D and − 0.68 to 0.87 D, respectively.ConclusionScansys and Sirius devices can be effectively used interchangeably for the evaluation of most anterior segment parameters; however, for anterior corneal curvatures, CCT and ACA, their alternative use is not recommended.

Development of a Bioaerosol Sampling Method for Airborne Pathogen Detection with Focus on SARS-CoV-2

As worldwide evidence shows that the predominant transmission route of SARS-CoV-2 and other respiratory pathogens is airborne, the need for suitable methods for the sampling of bioparticles directly from the air is more urgent than ever. The present paper describes the development of a method for the collection of biological aerosols, using a preexisting cyclonic impinger, the Coriolis μ, combined with a lysis buffer and subsequent qPCR analysis of the generated samples in lab. Four phases of method development are described: exploratory, validation, blank tests, and application. The application phase consisted of a field experiment in which the method was simultaneously applied at two daycare facilities. The method achieved a good level of accuracy and reliability in detecting different types of infectious agents in the air, with a global uncertainty of 19.6%. Furthermore, our method allows the simultaneous detection of 26 different respiratory pathogens in air samples, it is relatively simple, and the equipment is easy to use. Additionally, the time to collect a representative sample is short compared to other methods. The method does not cause significant disturbance to those present in the sampled rooms, and it is safe for operators and flexible, meaning it can be used in virtually any environment regardless of use, size, or occupancy. Further research is being developed to allow quantitative analysis of the collected samples and to test the methods’ ability to assess the viability of the microorganisms collected in the sample.

Validity, reliability, and readability of single-item and short physical activity questionnaires for use in surveillance: A systematic review.

Accurate and fast measurement of physical activity is important for surveillance. Even though many physical activity questionnaires (PAQ) are currently used in research, it is unclear which of them is the most reliable, valid, and easy to use. This systematic review aimed to identify existing brief PAQs, describe and compare their measurement properties, and assess their level of readability. We performed a systematic review based on the PRISMA statement. Literature searches were conducted in six scientific databases. Articles were included if they evaluated validity and/or reliability of brief (i.e., with a maximum of three questions) physical activity or exercise questionnaires intended for healthy adults. Due to the heterogeneity of studies, data were summarized narratively. The level of readability was calculated according to the Flesch-Kincaid formula. In total, 35 articles published in English or Spanish were included, evaluating 32 distinct brief PAQs. The studies indicated moderate to good levels of reliability for the PAQs. However, the majority of results showed weak validity when validated against device-based measurements and demonstrated weak to moderate validity when validated against other PAQs. Most of the assessed PAQs met the criterion of being "short," allowing respondents to complete them in less than one minute either by themselves or with an interviewer. However, only 17 questionnaires had a readability level that indicates that the PAQ is easy to understand for the majority of the population. This review identified a variety of brief PAQs, but most of them were evaluated in only a single study. Validity and reliability of short and long questionnaires are found to be at a comparable level, short PAQs can be recommended for use in surveillance systems. However, the methods used to assess measurement properties varied widely across studies, limiting the comparability between different PAQs and making it challenging to identify a single tool as the most suitable. None of the evaluated brief PAQs allowed for the measurement of whether a person fulfills current WHO physical activity guidelines. Future development or adaptation of PAQs should prioritize readability as an important factor to enhance their usability.