“…Other groups are formed around the use of psychological instruments, a sophis ticated use of Human Relations Area Files (172,219,224,281), the Whitings' continued studies of judgments of selected anecdotes (156,304), use of question naires on mother-child behavior (5), Rorschachs, Raven Matrices, Mosaics, etc. Each user has to have at least a working knowledge of what is being done by others using the same instruments, and these uses are likely to cross every other subdivi sion, geographical or sUbdisciplinary.…”