Describe the structure of the blood-brain barrier and explain why it is important.
What will be an ideal response?
Tightly joined endothelial cells form the capillary walls in the brain, making the blood-brain barrier. This protects the brain from harmful viruses, bacteria, and chemicals that might otherwise be able to enter the brain and cause damage.
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Imagine that you have volunteered to participate in an experiment. First, you are asked to rate how angry a person appears in a photograph. Then you are asked to think of angry thoughts and to rate the same photograph again
Because you are serving as your own control, psychologists would refer to this as a ________ design. a. control b. no-subjects c. within-subjects d. between-subjects
The term « monkey mind » describes a state of mind characterized by wandering thoughts and lack of concentration. While different type of meditation can be beneficial in training monkey mind, which of the following may be especially useful?
a. Focused Attention b. Movement based c. Open monitoring d. Sitting meditation
Answer the following statement(s) true (T) or false (F)
In studies of attitude, the affective component in characterized by knowledge of an object or person
When Samson was told that he correctly answered 80 percent of the items on a mathematical achievement test, he asked how his performance compared with that of the average test taker. Samson's concern was directly related to the issue of:
a. standardization. b. predictive validity. c. reliability. d. content validity.