Scores on standardized tests may be expressed in a variety of different modes. Raw scores, grade equivalents, percentile ranks, stanines, and standard scores are the major types in use today. The study investigated whether the mode or scale used to express scores affected the magnitude of group statistics, specifically, t and r (the t-test of the…

The study assessed the need for continued inservice training to migrant personnel in the skill and understanding of the Migrant Student Record Transfer System (MSRTS), and determined directions for planning future training sessions. A 50-item questionnaire was administered to 240 persons attending the MSRTS workshops at the 1977 State Migrant…

This report presents national estimates of the intellectual development levels of noninstitutionalized children 6-11 years of age in the United States. These estimates were determined by scores on the Vocabulary and Block Design subtest of the WISC obtained in the Health Examination Survey of 1963-65. Findings are shown by age, sex, and grade in…

Datasets are often under-exploited by institutions, yet they contain evidence that is potentially of high value for planning and decision-making. This article shows how institutional data were used to determine whether the demographic background of students might have an influence on their performance: this is a matter of particular interest where…

The purpose of this study was to compare two instruments for screening preschool children for potential learning problems. The two instruments used were the Metropolitan Readiness Tests (MRT) and the Wizard of Oz Preschool Preliminary Screening Program. The children tested on both measures were members of a self-contained kindergarten class. MRT…

Data on the intellectual maturity of children 6-11 years of age in the noninstitutionalized population of the U. S. is analyzed in relation to their demographic and socioeconomic background. This is the second report on the Goodenough-Harris Drawing Test, administered in the Health Examination Survey of 1963-65, and deals with the results in…

Goodness of fit of raw test score data were compared, using two latent trait models: the Rasch model and the Birnbaum three-parameter logistic model. Data were taken from various achievement tests and the Scholastic Aptitude Test (Verbal). A minimum sample size of 1,000 was required, and the minimum test length was 40 items. Results indicated that…

The Statewide Assessment Program of the Florida State Department of Education is responsible for measuring student achievement and disseminating the assessment results. One dimension of this effort has been the development of predicted or adjusted school scores. These scores are based on several factors which are related to achievement. Among…