Gender stereotyped behavior begins before children acquire gender identity

A child starts to produce words when he or she is about __________ of age

a. 6 months b. 9 months c. 1 year d. 16 months e. 20 months

A correlation is a numerical measure of the __________

a) unintended changes in participants' behavior due to cues from the experimenter. b) relationship between two variables. c) behaviors of participants of different ages compared at a given time. d) behaviors of participants followed and periodically assessed over time .