ผู้เขียน: B. H. Schneider

Willard W. Hartup This volume amounts to an anniversary collection: It was 50 years ago that Lois Jack (1934) published the findings from what most investigators consider to be the first intervention …

What determines the focus of a researcher’s interest, the sources of inspiration for a study, or the variables scrutinized? If we were to examine the antecedents of these decisions, they would surely …