This manual contains information about the American College Test (ACT) Plan® program. The principal focus of this manual is to document the Plan program's technical adequacy in light of its intended purposes. This manual supersedes the 2011 edition. The content of this manual responds to requirements of the testing industry as established in the…

Describes two studies comparing the criterion-related validity of sex-balanced ("unisex") interest inventory scales. Results indicate that psychometrically sound interest inventories can be constructed with sex-balanced items, and counselors may use inventories which provide sex-balanced score reports without sacrificing validity.…

The construct validity of vocational interest test scores was examined by finding the interest profiles of 15,447 college students in 51 majors. Standard scores based on same-sex norms were found to be more valid on this criterion than were raw scores. (CTM)

This report describes the rationale, development, technical characteristics, and use of the ACT Interest Inventory, which provides both descriptive information about an individual's interests and information to facilitate focused exploration of educational and career alternatives. The report begins with consideration of the question, "What…

This manual contains preliminary information, largely of a technical nature, about the enhanced American College Testing (ACT) Program introduced in October 1989. It focuses primarily on the tests of educational development, the component of the program that has been substantially revised. Although one-third of the ACT Interest Inventory Items has…

Data from this study suggest the ACT Interest Inventory is appropriate for use with minority group members. Data from 2,280 college seniors (1,237 males and 1,043 females) representing black, native American, oriental American, Spanish-surnamed American, and white ethnic groups were analyzed to determine whether the ACT Interest Inventory could…