Trey’s older sister is playing a game with him. She hides the ball they are playing with, and Trey quickly loses interest in the game. He makes no attempt to look for the ball and instead picks up another toy that is close by. This suggests that Trey has not yet developed:.a. a strong attachment to his sister.
b. sensorimotor patterns of responding.
c. the ability to assimilate new experiences.
d. an understanding of object permanence.

Which of the following is an example of the treatment technique for ocd called exposure and response prevention (erp)? a. callie has a hoarding compulsion. she becomes anxious whenever she has to throw something away; she even keeps stuff that she doesn't need and will never use. her therapist has arranged for callie's unnecessary belongings to be discarded of when she is away from home. b. carrie has an obsessive fear of contamination which has led to compulsive hand washing. her therapist is treating her by making her touch dirty laundry but not allowing her to wash her hands following for increasingly longer periods of time. c. kelly has religious obsessions. she feels that if she doesn't read biblical passages every hour of the day, she will do something evil. her therapist is treating her by having her attend religious services more frequently so that good thoughts will replace the bad ones. d. kerry has an obsessive fear of contamination which has led to compulsive hand washing rituals. her therapist is treating her by forcing her to wash her hands repeatedly, even when she doesn't feel anxious.

Which of the following statements best describes the concept behind labor unions?

The herding community picture above is located in a seminary’s climate in africa. if the people do not carefully manage how and when their livestock feed off the land, what is most likely to occur?