What is the Null Hypothesis?
What will be an ideal response?
Answer: A prediction that there will be no difference between the control group and the experimental group
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Sally steps on her bathroom scale, and it tells her that she weighs 145 pounds. When she steps on it again after her shower, she gets the same result. In fact, it has told her that her weight is stable at 145 pounds for several days now. This is very distressing to Sally, because she knows she actually only weighs around 127 pounds. Based on her observations, what can more accurately be said
about the measurements provided by Sally's scale? a. The measurements lack reliability. b. The measurements lack validity. c. The measurements are reliable. d. The measurements are valid.
All of the following are symptoms of anorexia nervosa except:
a. loss of at least 15% of body weight due to restriction of food intake b. amenorrhea c. chronic bingeing and purging d. intense fear of gaining weight
Your professor has informed you at the beginning of the term that you will have eight tests--but they will all be unannounced. This is most similar to a _______ reinforcement schedule
a. fixed interval b. fixed ratio c. variable interval d. variable ratio
Which binocular cue is controlled by the muscles attached to one's eyeballs and allows one to estimate distance under 50 feet?
a. accommodation b. linear perspective c. convergence d. overlap