Exam 2: Scientific Methods in Psychology

The tendency for researchers to believe that they see what they expected to see rather than observing what is really happening, is called

According to one study, the more hours students spend watching television, the lower their grades in school. This relationship is an example of

If the correlation between variables A and B is zero, then

Which of the following is ethical behavior?

A researcher conducts a survey of the Canadian population, interviewing 1000 people with the same distribution of men and women, old and young, urban and rural people as the whole Canadian population. Of the following terms, this sample is best described as

Researchers have found that people who own many books about chess tend to be better chess players than those who own few or none. This conclusion was almost certainly based on what kind of study?

John believes that Saturdays are more likely to be cloudy or rainy than weekdays are. However, he is relying entirely on casual impressions; he has never collected data systematically to test his hypothesis. His belief is most likely an example of

Adding all the scores together in a set of scores and dividing by the number of scores would give you the

Studies find that people who exercise regularly tend to have a more cheerful outlook on life. What conclusion, if any, can we draw from these data?

What can we conclude if the correlation between variable A and variable B is zero?

A researcher measures people's blood type and tests whether those with different blood types have different personalities. This type of research is called a

Which of the following would a psychological experimenter try to avoid or minimize?

To say that a theory is falsifiable means that

A testable prediction of what will happen under a specific set of conditions is known as a/an

Often we want to describe what the "average" person did. For this purpose the mean and median give similar results UNLESS

Dr. Hoonoes got statistically significant results in her last experiment, but she is worried about experimenter bias. By this she means that the results may have been influenced by

Which of the following would best describe the kind of research a psychologist would use to study whether facial expressions have the same meaning for various people throughout the world?

A psychic claims that he can read the minds of people on the planet Zipton, which is millions of light years away. The main scientific objection is that this claim

Lycanthropy is an extremely rare condition in which someone believes he or she is a wolf. An investigator who wished to study this condition would most likely rely on which method?

If every individual in the population has an equal chance of being selected for a sample, the sample is said to be a/an __________ sample.