This scoping review aims to identify and systematically review published mapping reviews to assess their commonality and heterogeneity and determine whether additional efforts should be made to standardise methodology and reporting. The following databases were searched; Ovid MEDLINE, Embase, CINAHL, PsycINFO, Campbell collaboration database,…

Since the learning disability (LD) population comprises the largest group receiving special education services, there is a need for research to examine the self-concept of this population at a global level. This systematic literature review synthesized 20 years of quantitative research (k = 16) about the self-concept of students with LD. The…

The number of systematic reviews (SRs) published continues to grow, and the methodology of evidence synthesis has been adopted in many fields outside of its traditional health sciences origins. SRs are now published in fields as wide ranging as business, environmental science, education, and engineering; however, there is little research looking…

Meta-analysis is a statistical method that is increasingly utilized to combine and compare the results of previous primary studies. However, because of the lack of comprehensive guidelines for how to use meta-analysis, many meta-analysis studies have failed to consider important aspects, such as statistical programs, power analysis, publication…

This report presents selected findings from the school principal data files of the 2007-08 Schools and Staffing Survey (SASS). SASS is a nationally representative sample survey of public, private, and Bureau of Indian Education-funded (BIE) K-12 schools, principals, and teachers in the 50 states and the District of Columbia. The public school…

The purpose of this paper is to assist researchers, practitioners, and graduate students in identifying and addressing key questions related to the task of choosing among the analytic techniques designed to analyze a dichotomized dependent variable with a set of independent variables. The discussion is limited to (1) the analysis of data by the…

The problems addressed, and solutions devised, by educational ethnographers in selection of and sampling from phenomena for internal representativeness external comparison are examined. The process of sampling is designated as a specialized form of the more general process of focusing and choosing in research, which is called selection. Common…

Notes that the terms "interest" and "preference" are often used interchangeably in reading research. Points out that both the sources and uses of data are clearer when the differences in the two terms are emphasized. (FL)

Empirical research concerning the selection of school administrators was reviewed. The methodology of the review, the methods by which principals are typically selected, and empirical research on the validity of selection techniques are described. Data from 138 studies with managerial and professional samples were analyzed. (TJH)

Systematic investigation of processes involved in needs analysis would improve current knowledge of the procedure and would bring analysts closer to the goal of generalized validity rather than situational validity. This article deals with two phases of the needs assessment process: selecting participants and defining needs and alternatives in…

Principals' behaviors and the reasons for and consequences of their behavior are the focuses of this review of major published empirical research on public school principals. Appended to the paper is a 70-page bibliography of doctoral dissertations, conference papers, and other writings on the principalship that were not reviewed. The author first…

The program of systematic evaluation of variables associated with visual learning was initiated in 1965 to investigate the impact of variables linked to effective, efficient use of instructional visual materials. A prototype experimental package, containing a specific unit of cognitive content, learner achievement objectives, four individual…

Presents an analysis of checklist-based research designed to investigate whether particular books, periodicals, and films considered to be controversial by the investigators are owned in certain groups of libraries. Objectives of checklist studies, definitions of self-censorship, compilation of checklists, and interpretation of data are…

Estimates the unauthorized U.S. labor force and explores the methodology for estimating hard-to-detect populations. Findings from a sample of 3,169 businesses suggest that a large proportion of the unauthorized labor force uses fraudulent documents without the knowledge of their employer. (GLR)

This paper reviews the methods and findings of published research on the validity of police selection procedures. As a preface to the review, the typical police officer selection process is briefly described. Several common methodological deficiencies of the validation research are identified and discussed in detail: (1) use of past-selection…