[Empirical Era]

• This covered the time period from the 1920's to the 1940's (great depression).
• Established identity as a psychological science by merging vocational guidance and intelligence testing. 
• Tests that focused on aptitude, abilities, and interest were developed and used.

• 1927, E.K. Strong published the first edition of the Strong Interest Inventory.
• 1930's, Minnesota Mechanical Ability Tests were published.
• Minnesota Employment Stabilization Research Institute was established.
• 1933, Wagner-Peyser Act: U.S Employment Service

• WWII- Many psychologists used tests for personnel classification.
• Army General Classification Test.
• Matching men to jobs approach transformed into Trait and Factor Theory.

• Helpful Link
• https://search-proquest-com.iris.etsu.edu:3443/career/docview/219386837/fulltextPDF/2EDBC8D98F6247ABPQ/2?accountid=10771