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Em J. E. Mittertreiner; Elise Ng-Cordell; Alana J. McVey; Connor M. Kerns – Autism: The International Journal of Research and Practice, 2024
Research has increasingly focused on the intersection between gender diversity and autism. Understanding the foci, methods, and rigor of recent studies could help guide and maximize impact in this accelerating research area. We conducted a scoping review of peer-reviewed literature on this topic published between 2018 and 2023. The search…
Descriptors: Autism Spectrum Disorders, Gender Differences, Intersectionality, Journal Articles
Kiranli Güngör, Semra; Aydin, Gizem – European Journal of Educational Research, 2019
This research study aims to evaluate the graduate theses and articles conducted on the concept of instructional leadership over the period between 2002 and 2017 in Turkey by means of methodological and statistical analysis techniques. In the study, which is configured by using the case study design as one of the qualitative research methods, the…
Descriptors: Foreign Countries, Instructional Leadership, Educational Research, Graduate Students
Wester, Kelly L.; Borders, L. DiAnne; Boul, Steven; Horton, Evette – Journal of Counseling & Development, 2013
The purpose of this study was to examine the quality of quantitative articles published in the "Journal of Counseling & Development." Quality concerns arose in regard to omissions of psychometric information of instruments, effect sizes, and statistical power. Type VI and II errors were found. Strengths included stated research…
Descriptors: Periodicals, Journal Articles, Counseling, Research

Willson, Victor L. – Evaluation and Program Planning: An International Journal, 1981
It is argued that time generalizability exists independent of population and situation generalizability, although the three may interact. Problems associated with sampling and randomization efficacy over time are discussed. (Author/GK)
Descriptors: Generalization, Research Design, Research Problems, Sampling

Alexander, Ralph A. – Personnel Psychology, 1988
Addresses issue of range enhancement effects on correlations, asserting that, while adding to or deleting from sample can affect variance and correlation in sample, increases or decreases in individual differences in intact sample resulting from such factors as history, maturation, training, and experience will not necessarily affect correlations.…
Descriptors: Generalization, Participant Characteristics, Research Problems, Sampling

Schmidt, Frank L.; Hunter, John E. – Personnel Psychology, 1980
As a result of rejection by personnel psychologists of the erroneous law of small numbers and of the adoption of correct inferential procedures, the future of criterion-related validity promises to be bright. Probable future developments include widespread appreciation of the low statistical power characteristic of small samples. (Author)
Descriptors: Evaluation Criteria, Psychologists, Research Methodology, Research Problems

Huck, Schuyler W. – Journal of Experimental Education, 1991
This poem, with stanzas in limerick form, refers humorously to the many threats to validity posed by problems in research design, including problems of sample selection, data collection, and data analysis. (SLD)
Descriptors: Data Analysis, Data Collection, Experiments, Poetry

Calsyn, Robert J.; And Others – Evaluation Review, 1993
Reliability and validity of self-report data provided by 178 mentally ill homeless persons were generally favorable. Self-reports of service use also generally agreed with treatment staff estimates, providing further validity evidence. Researchers and administrators can be relatively confident in using such data. (SLD)
Descriptors: Adults, Data Collection, Estimation (Mathematics), Homeless People
Sulkin, Howard A.; And Others – 1971
Some of the requirements and consequences of rigorous and valid educational evaluation research are explored in terms of problems in achieving two types of external validity, population and ecological. The former refers to the generalizability of inferences to subjects not included in a study, while the latter is concerned with the…
Descriptors: Data Collection, Evaluation, Interpersonal Relationship, Models

Applbaum, Ronald L. – Communication Quarterly, 1985
A survey of speech communication departments and a review of the literature indicate that most speech communication researchers continue to use college students as their primary source of subjects. The problem of sampling is discussed and methods for dealing with generality are offered. (PD)
Descriptors: College Students, Communication Research, Higher Education, Literature Reviews
Lewis, Jonathan P.; Geroy, Gary D. – 1991
Conducting observational research in a cross-cultural context invokes a unique set of difficulties. This paper describes sources of bias and threats to validity that are specific to cross-cultural research. It describes problems of cross-cultural research designs for descriptive studies, comparative research, and experimental research and outlines…
Descriptors: Anthropology, Comparative Analysis, Cross Cultural Studies, Experimental Groups

MacMillan, Donald L.; And Others – Exceptionality: A Research Journal, 1990
Arguing that reliable and valid dropout rate estimates are prerequisite to establishment of causal factors and intervention programs, this article examines differences in definitions of dropouts, computational methods, and the complexities in defining cohorts, as well as the importance of sample attrition. Several sources of error are discussed.…
Descriptors: Attrition (Research Studies), Definitions, Disabilities, Dropout Rate

Deal, James E.; Anderson, Edward R. – Journal of Marriage and the Family, 1995
Presentation of quantitative research on the family often suffers from a tendency to interpret findings on a statistical rather than substantive basis. Advocates the use of data analysis that lends itself to an intuitive understanding of the nature of the findings, the strength of the association, and the import of the result. (JPS)
Descriptors: Data Analysis, Effect Size, Evaluation Methods, Goodness of Fit
Miskel, Cecil; Sandlin, Terry – 1981
In order to assess the methodological merit of the published research in educational administration based on surveys, the authors analyzed data from a random sample of 24 survey studies published in the "Education Administration Quarterly" and the "Journal of Educational Administration." Each article was evaluated according to…
Descriptors: Data Analysis, Data Collection, Evaluation, Evaluation Criteria
Achilles, C. M.; Lintz, M. N. – 1986
Researchers conducted surveys of public attitudes in two Tennessee school systems in 1984-85 and 1985-86. Although interested in the survey results, one purpose of the researchers was to determine some inexpensive and relatively simple survey procedures. The researchers sought--through several pilot studies--to identify an efficient, parsimonious…
Descriptors: Attitude Measures, Community Attitudes, Elementary Secondary Education, Public Opinion
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