The Bayley Scales of Infant Development III (BSID-III) consists of ______.
A. three scales: two consisting of infant responses and one of parent responses
B. gross and fine motor skill tests (grasping, sitting, and climbing)
C. a cognitive scale, which involves parent response
D. five scales appropriate for ages 1 month through 24 months of age
Answer: B
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You are watching a rat pressing a lever in a Skinner box to obtain food pellets. The rat is pressing the lever at a very high rate and does not stop, even when a food pellet is delivered. In this example, the reinforcement schedule that is in place is MOST likely
a. a fixed-interval schedule. b. a variable-ratio schedule. c. a fixed-ratio schedule. d. a variable-interval schedule.
In some military prisons,soldiers use, among other tactics, both sleep deprivation and repeated exposure to annoying music, in an effort to "break" prisoners' resistance and convince them to answer questions. These soldiers are apparently operating under the assumption that ____ makes people more yielding
a. inoculation to persuasive messages b. a reduction of stockpiled resources c. negative attitude change d. systematic desensitization
In a study, people played tug-of-war while blindfolded and were told they were pulling in a group on some trials and that they were pulling alone on other trials. When the people thought they were pulling alone, they
a. pulled harder. b. made less of an effort to pull. c. did not vary the amount of effort they exerted on any of the trials. d. were erratic in the amount of effort exerted on the different trials.
When bones ossify, they
a. become harder. b. degrade. c. become brittle. d. reduce cartilage.