Abstract
California State Colleges are required by law to evaluate the scholastic ability and achievement in English skills of all candidates for public school credentials. The selection of tests to be used for this purpose is left to the discretion of the individual state colleges.It was the purpose of this study to compare the test performance of various age groups represented in the population of credential candidates at Sacramento State College in order to discover what relationships exist between these group both within tests and between tests. A second purpose was to study the performance of age groups on a test designed to isolate a complex of functions judge to be implicit in the completion of standard IBM answer sheets under timed conditions. A third purpose of the study was to evaluate the relevancy of existing normative standards for different age groups.