This study examined the equivalence and reliability of the two versions of the Vocabulary Levels Test in an Iranian context. This study was motivated by the fact that the Vocabulary Levels test is increasingly being used in Iran for both research and pedagogical purposes without having been checked for validity and reliability in this context. The…

Earning a General Educational Development (GED) credential can have positive results in a student's life including higher wages and better job opportunities. The 2014 version of the GED exam changed the format from a paper-based test to a computer-based test. This change coincided with a 35% decline in the pass rate indicating not all students are…

The question of equivalence between two or more groups is frequently of interest to many applied researchers. Equivalence testing is a statistical method designed to provide evidence that groups are comparable by demonstrating that the mean differences found between groups are small enough that they are considered practically unimportant. Few…

The current study is a comparison of the characteristics of the candidates from the Grossmont Union High School District who took the March 1976 administration of the California High School Proficiency Examination, with special attention to the differences between those candidates who passed the examination and those who did not . Significant…

A procedure is demonstrated for constructing tables showing, for each score on a commercial reading achievement test, the percentage of real-world materials that the testee is likely to comprehend with at least a criterion level of proficiency, the percentages of students in a local or national sample who can competently comprehend a given…