The current paper investigates the structural validity of the Children's Concentration and Empathy Scale (CCES), which was designed based on Montessori's developmental theory to assess, using teacher ratings, the coherence of attention-related characteristics (concentration, empathy, and normalization) in children from 1.5 to 12 years old. The…

Separate analyses of five-, six- and seven-factor solutions for the first 168 Minnesota Multiphasic Personality Inventory item responses from a large unselected sample of public mental health patients revealed close correspondence with the six factors derived by Overall, Hunter, and Butcher. (Author)

When William G. Perry (1968) developed his scheme of nine stages of cognitive development, most of which are experienced during the college years, he did not attempt to quantify it. Subsequently, T. D. Erwin (1983) constructed a scale that attempted to quantify the Perry scheme. His findings supported the overall conception of student development…

Negative item bias is produced by the inability of preadolescent children to respond appropriately to negatively worded items on rating scales, and is hypothesized to be a cognitive-developmental phenomenon. The effect is examined with responses to the Self Description-Questionnaire (SDQ), a multifactor self-concept instrument. In study 1,…