Lev Vygotsky coined the term ____, which refers to the degree of assistance provided to the adolescent in the zone of proximal development

The normal aging process, not connected with the occurrence of disease in the individual, is called:

a. gerontology b. senescence c. ageism d. osteoporosis

Which of the following is not an assumption underlying the use of a one-factor

within-subjects analysis of variance. a. The scores are normally distributed in the populations. b. The variances in the populations sampled are equal. c. Each participant is randomly assigned to one level of the independent variable. d. The individual differences of subjects remain the same over all treatment conditions.