You want to test people's reactions to a new artificial sweetener, and so you give them coffee with two different kinds of sweetener. Although you know which sweetener is which, you don't let them know which sweetener is the one they're getting. This type of experiment is called a __________ experiment
a. double-blind
b. single-blind
c. placebo effect
d. placebo bias
B
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High scores on the new test used to select candidates for the police academy accurately predict high achievement on the job two years later. This finding provides evidence that the new test is:
a. an achievement test b. reliable c. valid d. standardized
Which of the following best illustrates the application of operant conditioning principles in health psychology?
a. A person with peptic ulcers undergoes relaxation training. b. A person with a fear of the dentist undergoes systematic desensitization. c. Family members of a chronic pain patient are instructed to ignore the patient's complaints and reinforce the patient's attempts to become more physically active. d. A person with hypertension is taught to imagine, during highly stressful times, a calming scenario that he/she has created with his/her health psychology professional.
In an attempt to remember a phone number, Jamie repeated the number over and over to himself during the time it took to walk from the phone book to the phone. Jamie is using which memory strategy?
a. Elaboration c. Rehearsal b. Organization d. Practice
According to evolutionary biologists, the highest average life expectancy the human species will ever see is about ____ years of age
a. 85 b. 90 c. 95 d. 100