An introduction to experimental design in psychology : a case approach 2026-02-16T08:12:47+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Johnson, Homer H., 1935-; Solso, Robert L., 1933- (Harper's experimental psychology series, 1978)