According to Kintsch's model of comprehension, how many propositions can be kept active in STM?

Winston wished to discover if there were any commonalities in the victims of serial killers over the last fifty years. The best method for investigating this would be

A) a case study. B) a naturalistic observation. C) an archival study. D) a survey.

The ____________ is the critical period in women effecting sexual orientation of male offspring

a. 1st trimester. b. 2nd trimester. c. 3rd trimester. d. 4th trimester.