The understanding of positive development across adolescence rests on having a valid and equivalent measure of this construct across the breadth of this period of life. Does the Positive Youth Development (PYD) construct based on the Five Cs model have satisfactory psychometric properties for such longitudinal measurement invariance? Using…

Explored applicability of the Loevinger conception of ego development for early adolescence and developed a measure of earliest ego levels: Sentence Completion Test for Children and Youth. Found oral administration of test did not yield essentially different responses or significantly differing ego-level scores from the written version, regardless…