Strong-Campbell Interest Inventory (SCII)
Dates: men, 1927; women, 1933; revisions 1966, 1969; current versions combined, 1974
The Strong-Campbell Interest Inventory (SCII) was a direct result of material collected by E.K. Strong, Jr. in his graduate seminars after World War I. Strong discovered that people had consistent differences in their likes and dislikes. The original procedure, called the Strong Vocational Interest Blanks (SVIB), was to administer a variety of items dealing with preferences for specific occupations, academic subjects, amusements, activities, and types of people preferred. Under the rubric of this test, Strong then compared their preferences with a rating of their own abilities and characteristics, and constructed occupational scales from those items that specified significant correlations.
In 1974 the men's and women's blanks of the SVIB were combined into the SCII. One of the primary reasons the test was changed was to remove gender bias in the SCII. Further, I.L. Holland's theoretical system of classifying occupations into six themes--Realistic, Investigative, Artistic, Social, Enterprising, and Conventional, was inserted into the SCII.
Like the SVIB and the previous versions of the SCII, the 1974 update is untimed and designed for people of senior high age and above. In its orientation, it is focused toward the types of careers that the college-educated enter, but there are also several options for skilled occupatio