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After detailed study of a gunshot wound victim, a psychologist concludes that the brain region destroyed is likely to be important for memory functions. Which research strategy did the psychologist use to deduce this?
In an experiment to determine the effects of exercise on motivation, exercise is the:
In order to deterine the effects of a new drug on memory, one group of subjects is given a pill that contains the drug. A second group is given a sugar pill that does not contain the drug. This second group constitutes the:
A psychologist studies the play behavior of third grade children by watching groups during recess at school. Which research strategy is being used?
ideas that need to be tested against observable evidence
The scientific attitude of skepticism is based on the belief that:
Which of the following is not a basic research strategy used by psychologists? (replication, description, correlation, or experimentation)
people with small feet tend to have high IQs
If shoe size and IQ are negatively correlated, which of the following is true?
Which of the following research strategies would be best for determining whether alcohol impairs memory? (naturalistic observation, experiment, survey, or case study)
random sample; population
Well-done surveys measure attitudes in a representative subset, or _____, of an entire group, or _____ .
all of the above
In generalizing from a sample to the population, it is important that: (a. sample is representative of population; b. sample is large; c. scores in sample have low variability; d. all of the above)
the difference is not likely to be due to chance variation.
When a difference between two groups is "statistically significant," this means that:
Juwan eagerly opened an online trading account, believing that his market savvy would allow him to pick stocks that would make him a rich day trader. This belief best illustrates:
Which of the following is the measure of central tendency most affected by a few extreme scores? (mode, range, median, mean)
students who thought they had a memory tape believed their memories had improved; but, in fact, there was no improvement
In the experiment on subliminal perception, students listened for five weeks to tapes they thought would enhance their memory or self-esteem. At the end of the experiment:
Have the American Psychological Association and the British Psychological Society have set strict guidelines for the care and treatment of human and animal subjects?
Have the allegations that psychologists rountinely subject animals to pain, starvation, and other inhumane coditions have been proven untrue?
overestimate the extent to which others share our belief.
One reason researchers base their findings on representative samples is to avoid the false consensus effect, which refers to our tendency to:
The procedure designed to ensure that the experimental and control groups do not differ in any way that might affect the experiment's results is called
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