In classical conditioning the stimulus that normally evokes an automatic response even without new learning is called the

Juan is so afraid of germs that he wears gloves when opening doors. He is encouraged by his therapist to imitate a person in a video who demonstrates opening a door, step–by-step, without wearing gloves. Which technique is his therapist using?

a. systematic desensitization b. token economy c. participant modeling d. extinction e. generalization

For a particular population, a sample of n = 4 scores has an expected value of 10 . For the same population, a sample of n = 25 scores would have an expected value of _____

a. 4 c. 10 b. 8 d. 20