Simple Hypothesis Testing Research Articles

Pengaruh Perceived Public Stigma terhadap Sikap Mencari Bantuan Profesional Psikologis pada Mahasiswa

Students are a group that is vulnerable to experiencing mental health problems. This is because they are in a transition period towards adulthood which is one of the most stressful times in human life. However, not all students are able to face all changes in life so that every human being needs a coping to deal with the problems they experience. One of the best coping to do is to seek professional psychological help. In this study, the influence of perceived public stigma to attitudes towards professional help seeking will be tested. This research method is quantitative with a linear regression research design. The subjects in this study were 115 students of Padang State University who had psychological problems. The research data were analyzed using SPSS 25 with a simple linear regression hypothesis test. The results of this study are that there is a significant influence of perceived public stigma on the attitude of seeking professional psychological help (F = 21.573; sig = 0.000) with an influence of 16% (R Square = 0.16).

Weighted joint LRTs for cooperative spectrum sensing using K-means clustering

In this paper, a blind centralized cooperative spectrum sensing (CSS) with soft decision fusion is considered. The fusion center (FC) constructs the energy vector from the collaborating secondary nodes. The energy feature is assumed to be an efficient measure, as it is widely used and directly correlates with the strength of the received signal. The K-means clustering algorithm is employed to extract descriptive statistical features about the distributions of the absence and presence of the primary user (PU) signal, such as the mean and non-centrality parameter. In the framework of this statistical analysis, the signal-to-noise ratio (SNR) at each node is easily estimated and examined. Equal, selective, and weighted combining techniques are applied to develop three joint likelihood ratio test (JLRT)-based algorithms. These algorithms are implemented in the context of simple hypothesis testing, where the distribution of the data is fully specified. Furthermore, they are justified by the Neyman-Pearson theorem, which constructs the most powerful test for a given significance level. The proposed selective and weighted JLRT approaches are based on the estimated SNRs at each sensor, reflecting their reliability. Several comparison scenarios between the proposed algorithms, K-means, fuzzy c-means (FCM), and OR-rule are simulated over Rayleigh fading channel with low average SNR and few samples. The simulation results reveal that the proposed tests outperform other CSS techniques. Additionally, asymptotic theoretical expressions for probability of detection and the probability of false alarm are derived, which show high agreement with the simulated results.

Pengaruh Harga terhadap Keputusan Pembelian Konsumen pada Sagalas Coffee Panyabungan II Kabupaten Mandailing Natal

This research aims to determine the effect of price on consumer purchasing decisions at Sagalas Coffee Panyabungan II, Mandailing Natal Regency. The type of research used was quantitative research and involved a sample of 96 respondents using the Lemeshow formula. Data collection techniques are observation, documentation and distributing questionnaires. Data analysis techniques use validity tests, reliability tests, normality tests, heteroscedasticity tests, simple linear regression analysis tests and hypothesis tests. All research tests were carried out using the SPSS version 25 program. Price has a partial positive effect on consumer purchasing decisions at Sagalas Coffee Panyabungan II, Mandailing Natal Regency, indicated by an R value of 0.940 which is in the correlation interval 0.80 - 1.00 and an R value The square is 0.884 times 100% = 88.4% and the remaining 11.6% is influenced by other variables. In other words, there are still other variables that influence the consumer purchasing decision variable (Y) at Sagalas Coffee Panyabungan II. Based on the research results, it can be concluded that price has a positive and significant effect on consumer purchasing decisions, with a partial test value (t) of 26.789 and a ttable value of 1.661. So the tcount value is greater than ttable, namely 26.789, greater than 1.661 (26.789 > 1.661), which indicates that the first hypothesis, namely Ha, is accepted while H0 is rejected.

Analyzing The Impact of Online Marketing on Students' Purchase Decisions on Shopee E-Commerce in Tasikmalaya, Indonesia

The study was driven by the growing trend of online shopping among students and the need to understand how digital marketing strategies impact their purchasing decisions on e-commerce platforms like Shopee. This research aims to evaluate the influence of online marketing on the purchasing decisions of students at STIE Latifah Mubarokiyah Suryalaya, in Tasikmalaya, Indonesia, specifically using the Shopee platform. Online marketing facilitates the transaction of goods and services via the Internet, providing the convenience of shopping without time and space constraints and allowing consumers to select products based on their preferences. The study employs a descriptive quantitative approach, involving 77 respondents selected through purposive random sampling. Data collection includes both primary and secondary sources, which are analyzed using simple regression, correlation analysis, determination analysis, and hypothesis testing. The findings reveal that online marketing strategies significantly influence students' purchasing behaviour on e-commerce platforms, with a correlation coefficient of 0.694 and a determination coefficient of 48.1%. This indicates that nearly half of the variability in student purchase decisions can be attributed to online marketing strategies. Moreover, the study offers new insights into how specific online marketing tactics, such as targeted advertisements and social media promotions, uniquely influence student preferences and purchasing patterns. These findings highlight the importance of personalized marketing approaches in shaping consumer behaviour. The study also suggests that further research should explore additional factors influencing consumer behaviour in e-commerce to achieve a more comprehensive understanding.

Pengaruh Harga terhadap Keputusan Pembelian Perhiasan di Toko Emas Amir Syah Kecamatan Panyabungan

This research aims to determine the effect of price on jewelry purchasing decisions at the Amir Syah gold shop, using price as an independent variable and purchasing decisions as the dependent variable. The population used in the research were consumers who made purchases at the Amir Syah gold shop in 2023 and the sample was 84 respondents. The type of research used is quantitative, data collection techniques are observation, documentation and questionnaires. The analysis method for this research uses validity tests, reliability tests, normality tests, heteroscedasticity tests, simple linear regression tests and hypothesis tests. All of these tests were carried out using the SPSS version 25 program. Based on the results of the t test, tcount = 6.579 ttable > 1.664 and the sig value = 0.000 at a significance level of 0.05. So it can be concluded that the hypothesis is accepted, which means that there is a positive and significant influence of price on purchasing decisions because the results of the t test fulfill all of the first conditions, namely tcount > ttable (6.579 > 1.664) and the sig number <005 (0.000<0.05). Based on the coefficient of determination (R2) value of 0.345 or 34.5%. This means that the ups and downs in decisions to purchase jewelry at the Amir Syah gold shop in Panyabungan District due to the influence of prices can be anticipated. Through this regression equation, the remaining 65.5% is influenced by other factors or variables outside this research.

Pengaruh Promosi Shopee terhadap Perilaku Konsumtif pada Mahasiswa Manajemen Bisnis Syariah Stain Mandailing Natal

This research aims to find out how much influence Shopee promotions have on consumer behavior among STAIN Mandailing Natal Sharia Business Management students. The sample used came from 75 MBS students using a purposive sampling method. The approach used is quantitative and in collecting primary data observation and questionnaire methods are used. Meanwhile, the data analysis that researchers used in this research was analysis using validity and reliability tests, classical assumption tests, simple linear regression tests and hypothesis tests, namely the t test and R Square test (with the help of the SPSS Version 24 program). The results of the research show that there is an influence of shopee promotional variables on consumer behavior among Mandailing Natal Sharia Business Management Students. Shown by the significance value of t 0.000 which is smaller than sig = 0.05 (0.000>0.05) the value of R = 0.629 and R Square = 3.96 means that Shopee promotion is able to explain the dependent variable or consumer behavior of 0.396 x 100 = 39.6 message while the other 60.4 percent is explained by other variables. Based on the research results, it can be concluded that Shopee promotions have a positive and significant effect on consumer behavior with a value of tcount < ttable or tcount > ttable (6.916 < 1.666 or 6.916 > 1.666). There is a positive and significant relationship between Shopee promotions and consumer behavior among students.

Layanan Mobile Banking dalam Mewujudkan Kepuasan Nasabah BSI di Surabaya

This research aims to determine the quality of Bank Syariah Indonesia (BSI Mobile) mobile banking services in providing customer satisfaction at Bank Syariah Indonesia KCP Diponegoro 2 Surabaya. The research method uses a quantitative approach. The population in this research is all BSI KCP Diponegoro 2 Surabaya customers. Meanwhile, the sample in this research is some BSI KCP Diponegoro 2 Surabaya customers who use the BSI Mobile application. Considering the large population so that the exact number cannot be known and the limited time in conducting research, this research uses the Lemeshow formula with a maximum estimate of 7% and an error rate of 5% as a guideline in finding the number of samples used. So through this technique a sample of 100 respondents was obtained. Data was collected through distributing questionnaires using incidental sampling technique. The data analysis process uses simple linear regression, hypothesis testing, and coefficient of determination. The research results show that the quality of BSI Mobile services has an influence on customer satisfaction. The influence between the independent variable and the dependent variable is 79.2%, while 20.8% is influenced by other factors not included in this research. This research can help increase customer satisfaction in using the BSI Mobile application.

Pengaruh Teknologi Human Resource Information System (HRIS) terhadap kinerja karyawan pada Kantor Cabang Utama Pos Bandung

This research aims to determine the effect of Human Resource Information System (HRIS) technology on employee performance. This research uses a descriptive approach with a quantitative approach. Analyze causal relationships using hypothesis testing. Data was collected through distributing questionnaires. All 54 employees of KCU Pos Bandung were the population in this study. Data analysis uses validity, reliability, normality and simple linear regression test procedures, correlation coefficients, determining factors and hypothesis testing. The research results show that HRIS Technology influences employee performance at KCU Pos Bandung

Pengaruh Penggunaan Smartphone terhadap Minat Belajar Siswa Kelas XI di Madrasah Aliyah Negeri 1 Sijunjung Tahun Pelajaran 2023/2024

The aim of this research is to determine the effect of smartphone use on class XI students' interest in learning at MAN 1 Sijunjung. This type of research is case study research. The research was carried out in 2024. The population of this research was class XI students at MAN 1 Sijunjung. The total population was 115 students. Data was collected using a questionnaire and tested using simple linear regression analysis. The independent variable was smartphone use, while the dependent variable was students' interest in learning. The data analysis technique used is the prerequisite analysis test which includes normality test and linearity test, simple linear regression test and hypothesis test. The research results show that: Based on the results of research analysis regarding simple linear regression calculations between smartphone use and interest in learning, it is known that the significant value is 001<0.05, which means that smartphone use has an effect on interest in learning. Based on the calculation, the correlation between smartphone use and interest in learning is rcount>rtable (0.572>0.181), so it can be said that there is a positive and significant relationship between variable X (smartphone use) and variable Y (interest in learning). Therefore, the proposed hypothesis is declared accepted.

Pengaruh Motivasi Kerja Terhadap Kinerja Karyawan pada Staff Office PT Summit Adyawinsa Indonesia

This Research is a quantitative research using questionnaires as a data collection tool distributed to respondents with a sample of 60 people. In analyzing the data, simple linear regression analysis and hypothesis testing were used. This study aims to determine how much influence work motivation has on employee performance in the office staff of PT Summit Adyawinsa Indonesia. Based on the results of the analysis carried out using SPSS 25.0, the value of Work Motivation (X) on Employee Performance (Y) can be explained by the regression formula Y= a+bX, then the regression value resulting from the calculayion above is Y= 20,726+0,616X. Based on the results of the t test, namely t count (5,803) is smaller than the t table value (2,000). Then work motivation has a high positive influence with an r value of (0,606) and has a contribution of 36,7% on Employee Performance of PT Summit Adyawinsa Indonesia (SAI). While the rest is influenced by other factors that were not included in the research.

Pengaruh Kualitas Produk Karang Hias (Coral) terhadap Peningkatan Penjualan di CV Bali Samudra Anugrah

The Influence of the Quality of Decorative Coral (Coral) Products in Increasing Sales at CV Bali Samudra Anugrah. Supervised by Ratnawati and Mauli Kasmi.A very important factor for a company in carrying out purchasing and sales transactions is quality. Quality is one of the attractions or desires of consumers. In developing products, companies have a greater opportunity to gain new customers, of course if the products sold meet expectations. The purpose of this research is to determine the influence, relationship or correlation, magnitude of perception, and significance of the quality of decorative coral (Coral) products on increasing sales at CV Bali Samudra Anugrah. The data collection technique used is a questionnaire. The data analysis technique is quantitative using validity tests, reliability tests, classical assumption tests, simple linear regression analysis and hypothesis testing.

THE INFLUENCE OF DIGITAL LITERACY ON STUDENTS PROBLEM SOLVING ABILITY IN PHYSICS SUBJECTS

This research aims to measure the effect of digital literacy on students' problem solving abilities in physics subjects which are limited to class XI dynamic fluid material. This research uses quantitative methods with a causal associative research design. The sample for this research was 74 students obtained from the sampling technique, namely purposive sampling. The research instruments used in this study were a questionnaire sheet for the digital literacy variable and a question sheet for the problem solving ability variable. The data analysis technique that will be carried out is inferential statistical analysis using simple linear regression hypothesis testing. The results of this study show a significance value of 0.00, which means it is smaller than 0.05, so there is an influence between digital literacy and students' problem solving abilities. However, this research has limitations, namely it only focuses on measuring the influence and only on dynamic fluid materials.

Pengaruh Program Literasi Terhadap Peningkatan Minat Baca Siswa Kelas V SDN Curug 03 Depok

This study aims to determine the influence of school literacy programs on the increase in students' reading interest at SDN Curug 03 Depok. The method used is quantitative. The population in this study is 64 students. The sample used in the study was as many as 64 students with sample withdrawal using the total sampling technique or saturated sampling. Data collection techniques by, questionnaires/questionnaires. The data analysis technique uses simple linear regression. The results of the research from the simple linear regression hypothesis test obtained a constant value of 10.361, a coefficient value of 0.694 and a significance value of 0.000. In the decision-making rule that the significance is 0.000 > 0.05, it can be concluded that there is an influence of literacy programs on improving student reading. In other words, the better the use of school literacy programs, the more it will increase students' interest in reading.

The Relationship of Full Day School Policy And Interest in Learning to Science Learning Outcomes in Grade IV At SD Negeri 04 Batang Tajongkek Padang Pariaman

This research is motivated by the low learning outcomes of students, particularly in the subject of IPAS, due to the implementation of a full day school policy and students' lack of interest in participating in lessons at Fourth Grade SD Negeri 04 Batang Tajongkek. Based on this background, the aim of this study is to determine the relationship between the full day school policy and students' learning interest on IPAS learning outcomes in Fourth Grade SD Negeri 04 Batang Tajongkek. This research is a correlational study with both simple and multiple correlation types. The research sample consists of 25 students. The instruments used are closed questionnaires to measure the variables of full day school policy and learning interest to describe IPAS learning outcomes in Fourth Grade SD Negeri 04 Batang Tajongkek. Data analysis techniques include descriptive statistical analysis and hypothesis testing. The results indicate a relationship between the full day school policy and learning interest with IPAS learning outcomes in Fourth Grade SD Negeri 04 Batang Tajongkek. The analysis showed a simple and multiple hypothesis test, with a correlation coefficient for the full day school policy (rx_1y) of 0.39, indicating a correlation with a contribution of 15.21% of the full day school policy variable to student learning outcomes, which is significant (t_calculated 2.188 > t_table 2.069, at α=0.05). The correlation coefficient for learning interest (rx_2y) is 0.42, indicating a correlation with a contribution of 17.64% of the learning interest variable to learning outcomes, which is significant (t_calculated 2.208 > t_table 2.069, at α=0.05). The multiple correlation coefficient for the full day school policy and learning interest with learning outcomes is rx_1 x_2y = 0.74, showing a strong correlation with a contribution of 54.76% from both variables to learning outcomes, which is significant (F_calculated 13.35 > F_table 2.074, at α=0.05). Thus, there is a relationship between the full day school policy and learning interest with IPAS learning outcomes in Fourth Grade SD Negeri 04 Batang Tajongkek.

PENGARUH MEDIA PEMBELAJARAN TIK TOK TERHADAP KEAKTIFAN SISWA KELAS VII PADA MATA PELAJARAN PPKn

The aim of this research is to find out whether the Tik Tok learning media can influence student activity in Pancasila and Citizenship Education subjects. The technique used in this research is the Nonprobability Sampling technique with the aim of taking samples that do not provide equal opportunities to members of the population, and the determination is not random. This research was conducted at SMPK Santo Yusup with a class VII sample of 30 respondents. Data collection was carried out using questionnaires. The results of data analysis used by researchers include Validity Test, Reliability Test, Normality Test, Simple Linear Regression Test and Hypothesis Test. The results of the research based on the hypothesis. The test using the T test shows that the t test value, namely the paired test table shows that the calculated T is 29.042 > T table 1.69726. So, it can be concluded that learning tik tok has a positive effect with a significant level of 0.000 < 0.05 partially on learning tik tok. So it can be said that Ha is accepted and Ho is rejected. With the intention that this tik tok learning variable influences student activity.

Pengaruh Lingkungan Kerja dan Motivasi Kerja Terhadap Kinerja Karyawan Pada PT. HM Sampoerna TBK Di DKI Jakarta

The purpose of this research is to determine and analyze the influence of the work environment and work motivation on employee performance. The research method used was quantitative research method, where variables were measured using a Likert scale. Data collection methods include questionnaires, interviews and documentation. The research was conducted using a validity and reliability sample of 30 people taken from a total population of 385 people, while the research sample was 196 people using the Slovin method. Data processing uses SPSS version 26 software. The data analysis techniques use classical assumption tests, simple linear regression analysis, hypothesis testing, and coefficient of determination. The research results show that partially working environment variables has a significant and positive effect on employee performance. Partially, the work motivation variable has a significant and positive effect on employee performance.

PENGARUH KEMAMPUAN KERJA PEGAWAI DALAM MENCAPAI TUJUAN ORGANISASI PADA DINAS PEKERJAAN UMUM DAN PENATAAN RUANG KOTA PADANGSIDIMPUAN

This study aims to measure the extent to which employee work competence influences the achievement of organizational goals at the Department of Public Works and Spatial Planning in Padangsidimpuan City. The research approach used was quantitative descriptive method with techniques such as correlation analysis, simple linear regression, hypothesis testing (t-test), F-test (simultaneous), and coefficient of determination (R2). The results of the correlation analysis showed a correlation coefficient of 0.509 between variable X (employee work competence) and variable Y (achievement of organizational goals). The calculation of the regression coefficient yielded a constant coefficient of 2.894 and a coefficient for the independent variable (X) of 0.169, resulting in the regression equation Y = 2.894 + 0.169X. The t-test yielded a computed t-value of 3.597, exceeding the tabulated t-value of 2.010, and a significance level (sig) of 0.012, which was lower than 0.05. The F-test yielded a computed F-value of 12.705 and a significance level (sig) of 0.000. Comparing this with the tabulated F-value of 4.05, it can be concluded that the hypothesis is accepted. The coefficient of determination (R2) was found to be 0.428, indicating that 42.8% of the variation in the achievement of organizational goals can be explained by employee work competence. The remaining 57.2% is influenced by other variables not included in this study. In conclusion, this study establishes that employee work competence has a positive and significant influence on the achievement of organizational goals at the Department of Public Works and Spatial Planning in Padangsidimpuan City, accounting for 42.8% of the variance.

The Impact of Student Ethics on Learning Outcomes in Elementary Schools

This study investigates the impact of student ethics on learning outcomes at SD Negeri 30 Pagar Alam using a quantitative survey methodology. Quantitative research involves larger samples and a systematic approach throughout. Data was collected from 222 students, with a sample size of 22, using observation, interviews, documentation, and questionnaires. The analysis included validity tests, reliability tests, simple linear regression hypothesis testing, and questionnaire score examination. The findings show a significant relationship between student ethics and learning outcomes, with a correlation coefficient (r) of 0.494 and a significance level of 0.019 below 0.05, indicating a strong correlation. The reliability test for variable X yielded 0.6200. The t-test result (2.543) exceeded the t-table value (2.086), demonstrating a significant impact of student ethics on learning outcomes, thus rejecting the null hypothesis (Ho) and accepting the alternative hypothesis (Ha). Factors influencing student ethics include individual characteristics, personal interests, concentration in studying, and the peer environment.

PENGARUH PENDAPATAN DAERAH TERHADAP BELANJA MODAL PADA PEMERINTAH PROVINSI JAWA BARAT

Through improving public services, it can increase the attractiveness of investors to invest. Therefore, the West Java Provincial Government should change the composition of spending, where currently regional spending is used for operational spending, which is less productive than capital spending. The aim of this research is to find out how much influence PAD has on capital expenditure in the Regional Government of West Java Province. The sample used in this research is the 2019–2021 Regional Government Revenue and Expenditure Report, consisting of 27 regencies and cities in West Java Province. The methods used in this research are descriptive and verification. The analysis technique uses simple linear regression analysis and hypothesis testing. Based on the results of the analysis, it shows that the adjusted R2 value is 0.617, which means that local revenue has an influence on capital expenditure by 38%, while 62% is influenced by other factors not mentioned in the research.

The human infertility single-cell testis atlas (HISTA): an interactive molecular scRNA-Seq reference of the human testis.

Single-cell RNA-seq (scRNA-Seq) has been widely adopted to study gene expression of the human testis. Several datasets of scRNA-Seq from human testis have been generated from different groups processed with different informatics pipelines. An integrated atlas of scRNA-Seq expression constructed from multiple donors, developmental ages, and fertility states would be widely useful for the testis research community. To describe the generation and use of the human infertility single-cell testis atlas (HISTA), an interactive web tool for understanding human spermatogenesis through scRNA-Seq analysis. We obtained scRNA-Seq datasets derived from 12 donors, including healthy adult controls, juveniles, and several infertility cases, and reprocessed these data using methods to remove batch effects. Using Shiny, an open-source environment for data visualization, we created numerous interactive tools for exploring the data, some of which support simple statistical hypothesis testing. We used the resulting HISTA browser and its underlying data to demonstrate HISTA's value for testis researchers. A primary application of HISTA is to search by a single gene or a set of genes; thus, we present various analyses that quantify and visualize gene expression across the testis cells and pathology. HISTA also contains machine-learning-derived gene modules ("components") that capture the entire transcriptional landscape of the testis tissue. We show how the use of these components can simplify the highly complex data in HISTA and assist with the interpretation of genes with unknown functions. Finally, we demonstrate the diverse ways HISTA can be used for new data analysis, including hypothesis testing. HISTA is a research environment that can help scientists organize and understand the high-dimensional transcriptional landscape of the human testis. HISTA has already contributed to published testis research and can be updated as needed with input from the research community or downloaded and modified for individual needs.