Gender-stereotyped beliefs weaken during the preschool years. emerge slowly, as parents treat boys and girls in similar ways. strengthen during early childhood. are flexible until about age 8, after which they become more rigid.

Explain how tectonic plate movement creates geological events and features.

Why learning about people and places around is important?

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design