_________ validity is an indication of how closely a measurement correlates with another measure of the characteristic being studied

Vygotsky's theory stresses the __________ of cognitive development

A) physiology B) neuroplasticity C) social context D) egocentricity

Why is the following question not a good one to use in an interview or on a questionnaire: "How close do you feel to your mother and father?"

a. conditional information follows the key idea of the question b. it is double-barreled c. the response format is inappropriate d. it is not valid e. it avoids unwarranted assumptions about the respondents