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Waller, Niels G. – Journal of Educational and Behavioral Statistics, 2023
Although many textbooks on multivariate statistics discuss the common factor analysis model, few of these books mention the problem of factor score indeterminacy (FSI). Thus, many students and contemporary researchers are unaware of an important fact. Namely, for any common factor model with known (or estimated) model parameters, infinite sets of…
Descriptors: Statistics Education, Multivariate Analysis, Factor Analysis, Factor Structure
Franco-Martínez, Alicia; Alvarado, Jesús M.; Sorrel, Miguel A. – Educational and Psychological Measurement, 2023
A sample suffers range restriction (RR) when its variance is reduced comparing with its population variance and, in turn, it fails representing such population. If the RR occurs over the latent factor, not directly over the observed variable, the researcher deals with an indirect RR, common when using convenience samples. This work explores how…
Descriptors: Factor Analysis, Factor Structure, Scores, Sampling
Iqbal, Farhan; Iqbal, Farah; Humayun, Ghazal Khawaja – Psychology in the Schools, 2023
Despite several theoretical, structural, and statistical issues reported against Five Facets Mindfulness Questionnaire (FFMQ), most studies in the educational sector of Pakistan use it without analyzing its factor structure. Since culture might change the structure, this first systematic study filled the gap and explored the factor structure of…
Descriptors: Questionnaires, Metacognition, Personality Measures, Foreign Countries
Schneider, W. Joel; Roman, Zachary – Journal of Psychoeducational Assessment, 2018
We used data simulations to test whether composites consisting of cohesive subtest scores are more accurate than composites consisting of divergent subtest scores. We demonstrate that when multivariate normality holds, divergent and cohesive scores are equally accurate. Furthermore, excluding divergent scores results in biased estimates of…
Descriptors: Statistical Data, Simulation, Testing, Scores
Kitazoe, Noriko; Fujita, Naofumi; Izumoto, Yuji; Terada, Shin-ichi; Hatakenaka, Yuhei – Autism: The International Journal of Research and Practice, 2017
The purpose of this study was to investigate whether the individuals in the general population with high scores on the Autism Spectrum Quotient constituted a single homogeneous group or not. A cohort of university students (n = 4901) was investigated by cluster analysis based on the original five subscales of the Autism Spectrum Quotient. Based on…
Descriptors: Autism, Pervasive Developmental Disorders, Multivariate Analysis, College Students
Akpullukcu, Simge; Cavas, Bulent – Science Education International, 2017
The purpose of this paper is to develop a "valid and reliable laboratory safety questionnaire" which could be used to identify science teachers' understanding about laboratory safety issues during their science laboratory activities. The questionnaire was developed from a literature review and prior instruments developed on laboratory…
Descriptors: Test Construction, Questionnaires, Laboratory Safety, Secondary School Science
Seo, Eunjin; Lee, You-kyung – Educational Psychology, 2018
We examine the intrinsic value students placed on schoolwork (i.e. academic intrinsic value) and social relationships (i.e. social intrinsic value). We then look at how these values predict middle and high school achievement. To do this, we came up with four profiles based on cluster analyses of 6,562 South Korean middle school students. The four…
Descriptors: Friendship, Academic Achievement, Educational Benefits, Barriers
Jiménez, Juan E.; Marco, Isaac; Suárez, Natalia; González, Desirée – Journal of Learning Disabilities, 2017
This study had two purposes: examining the internal structure of the "Test Estandarizado para la Evaluación Inicial de la Escritura con Teclado" (TEVET; Spanish Keyboarding Writing Test), and analyzing the development of keyboarding skills in Spanish elementary school children with and without learning disabilities (LD) in writing. A…
Descriptors: Spanish, Keyboarding (Data Entry), Foreign Countries, Elementary School Students
Chandler, Jan W.; Burnham, Joy J.; Riechel, Morgan E. Kiper; Dahir, Carol A.; Stone, Carolyn B.; Oliver, Dariel F.; Davis, Amy P.; Bledsoe, Kenya G. – Journal of School Counseling, 2018
Counseling and non-counseling duties were investigated. The Assessment of School Counselor Needs for Professional Development (ASCNPD; Dahir & Stone, 2003, 2004) was used to examine the practices of 1,244 school counselors to determine the prevalence of the activities among school counselors. Principal component analysis indicated a two-factor…
Descriptors: School Counselors, School Counseling, Counselor Role, Professional Development
Liu, Yujuan; Raker, Jeffrey R.; Lewis, Jennifer E. – Chemistry Education Research and Practice, 2018
Academic Motivation Scale-Chemistry (AMS-Chemistry), an instrument based on the self-determination theory, was used to evaluate students' motivation in two organic chemistry courses, where one course was primarily lecture-based and the other implemented flipped classroom and peer-led team learning (Flip-PLTL) pedagogies. Descriptive statistics…
Descriptors: Student Motivation, Organic Chemistry, Blended Learning, Learning Motivation
McFarland, Dennis J. – Journal of Speech, Language, and Hearing Research, 2014
Purpose: Factor analysis is a useful technique to aid in organizing multivariate data characterizing speech, language, and auditory abilities. However, knowledge of the limitations of factor analysis is essential for proper interpretation of results. The present study used simulated test scores to illustrate some characteristics of factor…
Descriptors: Factor Analysis, Inferences, Scores, Tests
Coker, David L., Jr.; Ritchey, Kristen D.; Uribe-Zarain, Ximena; Jennings, Austin S. – Journal of Learning Disabilities, 2018
To help all students meet the writing expectations of the Common Core State Standards, researchers need a deeper understanding of the characteristics of struggling writers. The purpose of this study was to explore the writing profiles of students including those who have or are at risk for writing disabilities. First-grade students (N = 391) were…
Descriptors: Elementary School Students, Grade 1, Writing Skills, Writing Evaluation
Coker, David L., Jr.; Ritchey, Kristen D.; Uribe-Zarain, Ximena; Jennings, Austin S. – Grantee Submission, 2018
In order to help all students meet the writing expectations of the Common Core State Standards (National Governors Association Center for Best Practices, 2010), researchers need a deeper understanding of the characteristics of struggling writers. The purpose of this study was to explore the profiles of students who may have or be at risk for…
Descriptors: Elementary School Students, Grade 1, Writing Skills, Writing Evaluation
Daffern, Tessa – Language and Education, 2017
Being able to accurately spell in Standard English requires efficient coordination of multiple knowledge sources. Therefore, spelling is a word-formation problem-solving process that can be difficult to learn. The present study uses Triple Word Form Theory as a conceptual framework to analyse Standard English spelling performance levels of…
Descriptors: Language Skills, Spelling, Elementary School Students, Morphology (Languages)
McCaffrey, Daniel F.; Yuan, Kun; Savitsky, Terrance D.; Lockwood, J. R.; Edelen, Maria O. – Educational Measurement: Issues and Practice, 2015
We examine the factor structure of scores from the CLASS-S protocol obtained from observations of middle school classroom teaching. Factor analysis has been used to support both interpretations of scores from classroom observation protocols, like CLASS-S, and the theories about teaching that underlie them. However, classroom observations contain…
Descriptors: Factor Structure, Multivariate Analysis, Scores, Factor Analysis