Sustained AttentionBy selecting | Studies | , you can view those epidemiologic studies which have used a given measure.
o Digit Span from WAIS-R (Wechsler 1981). Subject is asked to repeat a series of numbers that increase in increments of 1, if the subject succeeds on the immediately preceding set. [For list of studies, see WAIS-R , under Intelligence measures.]
o Mental Control from WMS-R (Wechsler 1987). Counting backwards from 20, reciting alphabet, counting forward by 3's.
o Attention/Concentration Index from WMS-R. (Wechsler 1987). Digit Span, Mental Control, & Visual Memory Span (repetition of block tapping sequences).
o Continuous Performance Test (Mirsky, 1978; Lezak 1983). Crossing off of specified digits or letters on printed pages; number of targets & total response time varies for different versions.
o The "A" Test (Strub & Black 1977). Subject identifies each occurrence of the specified letter in random series of spoken letters.