Exam 2: Psychology As a Science

Your text describes a study in which professors receive e-mails, supposedly from students, asking for mentoring. All details about the e-mails are identical except whether they appear to come from males or females and from whites or nonwhites. This is _______ research, and found _______.

Ethical principles require researchers to

A researcher would be most likely to find a positive correlation between

Treatment-outcome researchers attempt to prevent initial differences between treatment and control groups by using

To better understand aggressive behavior toward strangers, a psychologist gathers all available information about a man who threatened random people in a mall with an automatic weapon. This is an example of

Which of the following conditions is necessary for a set of hypotheses to earn recognition as a theory?

"The death penalty is immoral" is a _______ hypothesis because it _______.

Refer to the set of numbers below. 2, 8, 3, 4, 8, 10, 0 In the set of numbers, the median is _______ than the mean and _______than the mode.

Use the following to answer questions : -Which of the following conditions would best support the conclusion that the results of the study are statistically significant?

Which of the following choices requires inferential statistics?

To test the impact of mood on generosity, a researcher has half of his participants watch a depressing movie and half watch a comedy. Then the researcher asks all participants for help moving boxes to another room. In this study, mood is the

A research team tested the hypothesis that being under stress would reduce one's friendliness to strangers. In the high-stress condition, participants gave a speech on a difficult topic in front of a group of strangers. In the low-stress condition, participants simply introduced themselves to a group of strangers. The researchers then monitored how often participants made friendly comments to the other people in the room. In this study, _______ was the independent variable.

A college professor testing two different study-skill interventions tosses a coin to decide which type of training each student will get. The professor does this to

Results from a recent experiment are consistent with a researcher's expectation that exposing people to unfamiliar groups reduces prejudice. This means that the researcher

A meta-analysis of published and unpublished tests of SSRI medications revealed that

On a hike, you find branches arranged to form a three-foot-tall pyramid, surrounded by a circle of pebbles. Occam's razor would support the hypothesis that _______ created this pyramid.

You accept a job selling high-end knives door-to-door on commission because you were informed that company employees, on average, earn $60,000 a year. After three months of making less than $1,000 a month, you learn that most other salespeople are making less than $20,000 a year. If the company has 20 sales people, two managers, and one president, how can the company's claim still be correct?

The extent to which changes in one factor are accompanied by changes in another is called

A psychologist administered a test that was designed to measure intelligence. Individuals taking the test on multiple occasions were found to achieve similar scores over time. Another psychologist used the same test to evaluate subjects' memory capacity, and these results were strongly correlated with those of other memory tests. As an instrument designed to measure intelligence, the test has _______ validity and _______ reliability.

Research that involves intentional manipulation of variables is called _______ research.