Exam 3: Personality Psychology As Science: Research Methods

According to the text, which of the following would NOT be a threat to the generalizability of personality research?

Validity is much easier to judge than reliability.

The number between -1 and +1 that indexes the linear association between any two variables is called ________.

The effects of irrelevant influences that might lessen your ability to see the trait or state you are trying to measure are called ________.

Which of the following is NOT likely to undermine the reliability of a survey measure?

A test that is reliable may not be valid.

According to the text, it is reasonable to first assume that almost all psychological findings lack generalizability.

It is possible to convert the results of experiments into a correlation coefficient.

There is nothing wrong with assuming that extraversion is defined as the attribute that extraversion assessments measure.

Linda is taking an intelligence test. During the test, the teachers walk through the halls and chat loudly with each other. Due to these distractions, Linda scores lower on the test than she would have if she had been able to concentrate fully. The influence of the teachers' chatting is an example of ________.

Researchers usually agree about the interpretation of a result.

Dr. Low is interested in studying the relation between mood and willingness to help a stranger. She randomly assigns half of her participants to the pleasant mood condition and shows them funny film clips. The other half of her participants are assigned to the unpleasant mood condition and are forced to watch boring film clips. She then gives every participant an opportunity to donate money to a homeless stranger. Dr. Low is using a(n) ________ design.

The principle of aggregation holds that random errors often become magnified when averaged together.

Which formula in psychometrics quantifies the principle of aggregation?

Both correlational studies and experimental studies attempt to measure the associations between variables.

The best definition of validity is the degree to which ________.

The Binomial Effect Size Display is a method for illustrating ________.

At the heart of aggregation is the idea that ________.

There are seldom difficulties involved in interpreting the results of experimental studies because researchers manipulate variables.

Assume that you are studying 200 participants, all of whom are sick. An experimental drug is given to 100 of them; the other 100 are given nothing. If the correlation between taking the drug and living is .26, then ________ percent of those who got the drug would still be alive at the end of the study.