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Raykov, Tenko; Anthony, James C.; Menold, Natalja – Educational and Psychological Measurement, 2023
The population relationship between coefficient alpha and scale reliability is studied in the widely used setting of unidimensional multicomponent measuring instruments. It is demonstrated that for any set of component loadings on the common factor, regardless of the extent of their inequality, the discrepancy between alpha and reliability can be…
Descriptors: Correlation, Evaluation Research, Reliability, Measurement Techniques
Oleson, Jacob J.; Jones, Michelle A.; Jorgensen, Erik J.; Wu, Yu-Hsiang – Journal of Speech, Language, and Hearing Research, 2022
Purpose: The analysis of Ecological Momentary Assessment (EMA) data can be difficult to conceptualize due to the complexity of how the data are collected. The goal of this tutorial is to provide an overview of statistical considerations for analyzing observational data arising from EMA studies. Method: EMA data are collected in a variety of ways,…
Descriptors: Experience, Surveys, Measurement Techniques, Statistical Analysis
Yilmaz, Ismail – Educational Research and Reviews, 2020
When correlation between variables is not explicit, data can be collected by adapting the quantitative measurement tools in use for quantitative measurement of possibility, a nonlinear measurement. This adaptation is possible because measurement data can be evaluated more qualitatively using parameters for possibility. These can be defined as…
Descriptors: Correlation, Statistical Analysis, Qualitative Research, Classification
Schochet, Peter Z. – Journal of Educational and Behavioral Statistics, 2022
This article develops new closed-form variance expressions for power analyses for commonly used difference-in-differences (DID) and comparative interrupted time series (CITS) panel data estimators. The main contribution is to incorporate variation in treatment timing into the analysis. The power formulas also account for other key design features…
Descriptors: Comparative Analysis, Statistical Analysis, Sample Size, Measurement Techniques
van Grootel, Leonie; Balachandran Nair, Lakshmi; Klugkist, Irene; van Wesel, Floryt – Research Synthesis Methods, 2020
In mixed methods reviewing, data from quantitative and qualitative studies are combined at the review level. One possible way to combine findings of quantitative and qualitative studies is to quantitize qualitative findings prior to their incorporation in a quantitative review. There are only a few examples of the quantification of qualitative…
Descriptors: Mixed Methods Research, Statistical Analysis, Qualitative Research, Research Methodology
Safrudiannur; Rott, Benjamin – International Journal of Science and Mathematics Education, 2021
Studies measuring teachers' beliefs quantitatively by using self-report Likert scale instruments often face methodological difficulties. Such difficulties might be due to the fact that those instruments often provide less or no contexts. Whereas, several studies have shown that contexts at school, particularly contexts related to students'…
Descriptors: Teacher Attitudes, Beliefs, Measurement Techniques, Statistical Analysis
Chrismas, Bryna; Taylor, Lee; Smith, Alexander; Pemberton, Philip; Siegler, Jason Charles; Midgley, Adrian Wayne – Measurement in Physical Education and Exercise Science, 2018
To examine the reproducibility of three measurement techniques used to determine creatine kinase, interleukin-6 and high-sensitivity C-reactive protein, 50 participants had blood samples taken on two occasions. Fingertip plasma samples were analysed using the Reflotron for CK determination. Venous blood samples collected into serum separator tubes…
Descriptors: Measurement Techniques, Reliability, Biochemistry, Correlation
Perera, Upeksha; Wijewickrema, Manjula – portal: Libraries and the Academy, 2018
Ranking of scholarly journals is important to many parties. Studying the relationships among various ranking metrics is key to understanding the significance of one metric based on another. This research investigates the relationship among four major journal-ranking indicators: the impact factor (IF), the Eigenfactor score (ES), the "h."…
Descriptors: Periodicals, Correlation, Bibliometrics, Statistical Analysis
Soysal, Sumeyra; Karaman, Haydar; Dogan, Nuri – Eurasian Journal of Educational Research, 2018
Purpose of the Study: Missing data are a common problem encountered while implementing measurement instruments. Yet the extent to which reliability, validity, average discrimination and difficulty of the test results are affected by the missing data has not been studied much. Since it is inevitable that missing data have an impact on the…
Descriptors: Sample Size, Data Analysis, Research Problems, Error of Measurement
Watts, Tuesday M.; Holmes, Luke; Raines, Jamie; Orbell, Sheina; Rieger, Gerulf – Developmental Psychology, 2018
Childhood gender nonconformity (femininity in males, masculinity in females) predicts a nonstraight (gay, lesbian, or bisexual) sexual orientation in adulthood. In previous work, nonstraight twins reported more childhood gender nonconformity than their genetically identical, but straight, cotwins. However, self-reports could be biased. We…
Descriptors: Twins, Sexual Orientation, Photography, Visual Aids
McKie, Greg L.; Islam, Hashim; Townsend, Logan K.; Howe, Greg J.; Hazell, Tom J. – Measurement in Physical Education and Exercise Science, 2018
This study examined the validity and reliability of a 30-second running sprint test using two non-motorized treadmills compared to the established Wingate Anaerobic Test. Twenty-four participants completed three sessions in a randomized order on a: (1) manual mode treadmill (Woodway); (2) specialized interval training treadmill (HiTrainer); and…
Descriptors: Exercise, Physical Activities, Correlation, Exercise Physiology
Miskulin, Ivan; Peek-Asa, Corinne; Miskulin, Maja – Journal of Child & Adolescent Substance Abuse, 2018
The aim of this study was to describe the alcohol consumption patterns and to identify the association of injury with excess drinking among Croatian students. This cross-sectional study was conducted among 845 university students by the use of the WHO AUDIT questionnaire. A total of 39.9% of the university students reported some level of excess…
Descriptors: Injuries, Foreign Countries, College Students, Case Studies
Murphy, Joseph J.; Murphy, Marie H.; MacDonncha, Ciaran; Murphy, Niamh; Nevill, Alan M.; Woods, Catherine B. – Measurement in Physical Education and Exercise Science, 2017
The purpose of this study was to compare the validity and reliability of three short physical activity self-report instruments to determine their potential for use with university student populations. The participants (N = 155; 44.5% male; 22.9 ± 5.13 years) wore an accelerometer for 9 consecutive days and completed a single-item measure, the a…
Descriptors: Physical Activities, Physical Activity Level, Validity, Reliability
Wiberg, Marie; González, Jorge – Journal of Educational Measurement, 2016
Equating methods make use of an appropriate transformation function to map the scores of one test form into the scale of another so that scores are comparable and can be used interchangeably. The equating literature shows that the ways of judging the success of an equating (i.e., the score transformation) might differ depending on the adopted…
Descriptors: Statistical Analysis, Equated Scores, Scores, Models
Hornstra, Lisette; Kamsteeg, Antoinette; Pot, Sara; Verheij, Lydia – Frontline Learning Research, 2018
Abundant research in social psychology shows human behaviour is guided by beliefs through two pathways, a deliberate and automatic pathway. Research on student motivation has thus far focused mostly on the deliberate pathway and consequently almost exclusively relied on explicit measures (i.e. self-reports of motivation) to assess student…
Descriptors: Student Motivation, Secondary School Students, Association Measures, Student Behavior