Manipulation checks are an essential component of quality experimental design in motor learning. Guided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses framework, this methodological systematic review examined the utilization of manipulation checks in focus of attention research. Seventy-eight protocols from four…

Single-case research design is a useful methodology for evaluating the presence of a functional relation between an intervention and the mathematical performance of students with a learning disability. However, a functional relation cannot be established with threats to internal validity of the design. External validity is impacted if researchers…

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…

In this study, it was aimed to examine the postgraduate theses and articles on ethical leadership in Turkey by gathering them through the document analysis method and by using content analysis. In this direction, all of the postgraduate theses and articles that can be accessed in the electronic environment as a full-text were included in the scope…

In an article published in 1993, Rahima Wade reviewed the quality of social studies textbook content analyses published in three major social studies journals between 1982 and 1992. She concluded that the quality of this research was disappointing. Borrowing and refining Wade's methods, this article presents the findings of a review of all 29…

Systematic reviews of literature are studies that strategically search for published research on a specific topic in order to synthesize what is known about the topic. This systematic review describes 157 articles on synchronous online learning (SOL) from thirty-four different countries on instructional setting, content areas, participant…

Research on the relationship between affect and cognition in Artificial Intelligence in Education (AIEd) brings an important dimension to our understanding of how learning occurs and how it can be facilitated. Emotions are crucial to learning, but their nature, the conditions under which they occur, and their exact impact on learning for different…

This paper presents a content analytic approach on doctoral dissertations in the field of distance education in Turkish Higher Education context from the years of 1986 through 2014. A total of 61 dissertations were examined to explore keywords, academic discipline, research areas, theoretical/conceptual frameworks, research designs, research…

This document is one of eight reports prepared to support the development of a new learning system, an effort that is the first step in a major initiative undertaken by the Stupski Foundation. The report was created collaboratively by researchers from McRel with guidance from officers of the Stupski Foundation. Its purpose is to provide members of…

The purpose of this paper is to discuss ways in which developmental psychology suffers from the lack of an appropriate technology of measurement and statistical analysis. The paper begins by noting that developmental psychology is the study of change; that individuals develop through a succession of "stages" which are separated by…

This paper reviews the prominent concepts of the stuttering event and concerns about the reliability of stuttering event measurements, specifically interjudge agreement. Recent attempts to resolve the stuttering measurement problem are reviewed, and the implications of developing an improved measurement system are discussed. (Author/JDD)

Examines consistency of results and variables that may confound validity in child sexual abuse cases. Concludes that the ways in which information on the incidence and prevalence of child sexual abuse has been collected, analyzed, and reported have been flawed to the extent that few reliable conclusions can be made. Includes suggestions for…

Issues of reliability and validity in ethnographic design are compared to their counterparts in experimental design. Threats to the credibility of ethnographic research are summarized and categorized. Strategies intended to enhance credibility (study design, data collection, data analysis, and presentation of findings) are incorporated throughout…

This paper presents a review of the literature on reliability in qualitative studies. Reliability is defined as the extent to which studies can be replicated, using the same methods, and getting the same results. It is the degree to which data are independent of the accidental circumstances of the research. The review includes the following three…

This theoretical analysis of historical data collected from oral accounts points out factors (memory, recall, sampling, interview structure, personal interpretation) which make it difficult for the historian to generalize from individual interviews. (AM)