Study habits in grades four to twelve.

The validity of items in a study habits inventory.

“…Disregarding the size of the CR's, one can go through Table II and isolate those items showing consistent positive validity in all three columns. The following twenty-four items meet this requirement: 1,2,5,6,7,9,15,16,20,21,27,33,36,42,43,46,49,52,54,63,64,69,70,and 71. Four additional items (4,22,25,and 38) show consistent negative CR's and could be used in our list of successful items by changing the desired answer for each.…”