Eighty at-risk infants were administered the Mental and Motor Scales of the Bayley Scales of Infant Development at 6 and 12 months of age. Test-retest reliability scores of .71 on the Mental Scale and .69 on the Motor Scale were obtained. (Author/JDD)

This paper describes the Measure of Epistemological Reflection (MER), an instrument to assess cognitive developmental level according to the Perry scheme of intellectual and ethical development. It contains sets of questions for each of the six cognitive domains: decision making, learner role, instructor role in the learning process, peer role in…

The Early Learning Accomplishment Profile (Early LAP) provides a systematic method for observing children's functioning in the birth to 36-month age range in order to assist teachers, clinicians, and parents in assessing individual skills development in six developmental domains: gross motor, fine motor, cognition, language, self-help, and social…