GSTUDY P X O X T DESIGN -- RANDOM MODEL OPTIONS RECORDS 2 EFFECT * P 10 0 EFFECT + O 2 0 EFFECT + T 4 0 FORMAT (8F1.0) PROCESS 26752555 45676757 55465455 59865776 43564564 44476478 26652775 34456664 05455553 68766886 COMMENT COMMENT What if we vary the number of occasions? DSTUDY #1 -- P X O X T DESIGN -- O AND T RANDOM DEFFECT $ P DEFFECT O 1 2 3 4 6 DEFFECT T 3 ENDDSTUDY COMMENT COMMENT What if we vary the number of tasks? DSTUDY #2 -- P X O X T DESIGN -- O AND T RANDOM DEFFECT $ P DEFFECT O 2 DEFFECT T 4 6 8 10 ENDDSTUDY COMMENT COMMENT What if tasks were fixed - universe of generalization has 4 tasks? DSTUDY #3 -- P X O X T DESIGN -- O RANDOM, T FIXED DEFFECT $ P DEFFECT O 1 DEFFECT T 4 / 4 ENDDSTUDY COMMENT COMMENT What if tasks were nested within occasion? COMMENT Persons perform different tasks on different occasions. DSTUDY #4 -- P X (T:O) DESIGN -- R AND T RANDOM DEFFECT $ P DEFFECT O 2 DEFFECT T:O 4 ENDDSTUDY FINISH