Effects of Altered Instructions on WAIS–III Digit Symbol-Coding Subtest
Joseph J. Ryan, Summer D. Schnakenberg, David S. Kreiner · Psychological Reports · 2001
This study utilized 104 college students to assess the possibility that a performance increment would result on the WAIS-III Digit Symbol Coding subtest scores if instructions were modified to include the time allowed for completion. Compared with the standard instructions, this modification did not significantly change mean scores.