The embryonic stage is the period from implantation until about the eighth week of development

Which statement about the history of cognition is correct?

a. Behaviorists favored the introspection technique. b. William James emphasized that the human mind is active, rather than passive. c. Research in cognition thrived during the period when behaviorism was strongest. d. Behaviorists were influential in conducting research on problem solving.

The term phenotype refers to

A) the observable characteristics that result from genotype expression. B) the genetic makeup of an organism. C) the unobservable characteristics that result from genotype suppression. D) the genes that are heterozygous.