Problems with the scope, validity, and accuracy of statistical data on Puerto Ricans have led to difficulties in research on that population. This situation has contributed to the restricted access of Puerto Ricans to government-sponsored programs and to public services, such as education, that are necessary for social equality. (Author/GC)

Assesses techniques used by researchers to collect and analyze data on how people with visual impairments or blindness learn, understand, and think about geographic space. Recommendations are made for increasing the validity of studies, including the use of multiple, mutually supportive tests; larger samples; and real-world environments.…

Uses an exploratory study, "Children, Parents and Risk," to examine some ethical and methodological issues specific to child-focused research. Focuses on gatekeepers who control access to parents and children, and on the interview process, asserting that the research process itself constitutes an important source of data on models of…

A national study was conducted in New Zealand in 1988-91 to identify older people with intellectual disability. A national prevalence rate of 1.43 per 1,000 was established. The paper discusses delays in data collection, issues of identification, and the feasibility of case-finding. Challenges to procedures and research design are outlined, and…

Although the same general research principles that guide other investigations should apply to research with the Rorschach Inkblot Method, the nature of the Rorschach as a relatively unstructured measure of personality functioning calls for special attention to selection of research participants, choice of variables, and data collection and…

Dallas school district attempted to determine whereabouts of students who did not return to school in fall. Found a large portion of "no-show" students matriculating elsewhere. Previously, these students would have been classified as dropouts and used to determine the dropout rate. The new accounting procedure reduced the annual dropout rate from…

Discusses the value of administrative data to child welfare researchers. Considers issues in using client records--confidentiality, selection of data, historical data, sampling reliability, replication of findings, and access to data--that can be resolved in standardized ways. Notes other problematic issues, such as greater distance from subject,…

Three major methods of survey research, face-to-face interviews, telephone interviews, and mail questionnaires, are compared with respect to the quality of the data. The literature on experimental comparisons of these methods is reviewed, and the effects of the mode of data collection on aspects of data quality are examined. The effects of the…

The General Accounting Office reviewed the Department of Labor's process for determining worker eligibility for the Trade Adjustment Assistance (TAA) program. TAA provides help in making the transition to new employment to workers certified by the Department of Labor as affected by imports. The program gives workers job counseling, occupational…

Third in a series, the monograph summarizes the key evaluation issues, design approaches, and statistical techniques used in conducting the 1980-1983 impact evaluation of Indian Education Act Title IV Part A programs. The monograph describes the major problems in evaluating the program to determine the degree of its positive contribution to…

One problem faced by researchers is the selection of the most appropriate research method or methods, given the context of the research setting. This dilemma does not concern the choice of the best research method given the program objectives or research questions, nor the selection of the best state-of-the-art methods. The issue concerns the…

Policy implications stemming from empirical analyses that evaluate national federal compensatory programs are clouded because negative findings could be due to either the nature of the educational process or the inadequacy of the data collection and analysis technique. This paper constructs a framework within which the separate effects of each are…

This paper presents a rationale for observing black mothers during semi-structured play activities with their toddlers. It appraises the strengths and weaknesses of such situational assessments of mother-infant dyads, arguing that in addition to observational data the collection of introspective interview data from mothers is essential. Interview…

Evaluators often utilize analysis of covariance (ANCOVA) techniques to compensate statistically for the lack of experimental control when assessing the effects of innovative programs implemented in naturalistic settings. In this paper design, analysis, and reporting considerations important to the application of ANCOVA-type techniques in…