“…These have been conducted within a variety of frames of reference, ranging from construct validation studies (~eviewed by Sarason, 1960) to developmental studies (Sarason, Davidson, Lighthall, Waite, & Ruebush, 1960) to factor analytic studies (Feld & Lewis, 1967;Sassenrath, 1964) to desensitization therapy studies (Cohen, 1967; Katahn, strenger, & Cherry, 1966). Perhaps it is appropriate to consider integrating some of these frames of reference by examining variables which they have in common and by combining variables which are specific to different points of viffi<.…”