What is an example of adults perpetuating gender roles? A.
Tommy loves to play baseball and his parents always watch his games.
B.
Susan's teacher tells her if she works hard then she can be good at math.
C.
Dexter is sent out of the classroom because he tends to make a disturbance.
D.
Kathy is told to be quiet when she starts to talk to her friends during class.

Why might polar bears become extinct

Dr. laguardia is a cognitive neuroscientist who is interested in the effect of brain concussions on the ability to recognize faces. he conducts a quasi-experimental study in which he examines football players before and after the regular season using the benton facial recognition test (a published, widely used measure of one's ability to recognize faces) to compare those who received concussions to those who did not. he finds that players who had concussions during the regular season performed worse on the benton facial recognition test than did players who did not experience which of the following is true regarding external validity in dr. laguardia's study? a. because dr. laguardia selected participants who actually experienced concussions, the study b. because dr. laguardia's study is a quasi-experiment, it is impossible to obtain c. because dr. laguardia's dependent variable was assessed in the laboratory, the study d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

I’m what way did people first come to the america’s ?