Exam 3: The Research Enterprise in Psychology Part 1

The experimental method is a research method in which the investigator manipulates a variable under carefully controlled conditions and then

If a researcher is interested in studying individuals' attitudes toward "animal rights issues" they would MOST likely conduct

Theories permit researchers to move from

A researcher tries to make sure that subjects in the experimental and control groups are very similar to each other in order to reduce the effects of

Mrs. Smith, an elementary school teacher, believes that girls are smarter than boys. She predicts that the girls in her class will learn more than the boys during the school year. Her prediction is a(n)

If a researcher varies the loudness of music in a factory to observe its effect on the rate of productivity of the employees, the independent variable is the

IQ score, age, weight, grade point average, and income are all examples of

Inferential statistics

The median of the following distribution of scores 1, 2, 3, 7, 7 is

Mice who received gingko biloba in their diets made fewer errors in a maze running task than mice who had not received gingko biloba. This suggests that, in mice, the use of gingko biloba and errors in maze running are

The ____ is an index of the amount of variability in a set of data.

The correlation coefficient is a measure of

If two variables have a positive correlation, you would expect that ____ scores on one variable are generally associated with ____ scores on the second variable.

A group of researchers conducts a study to determine if children's performance is affected by the presence of other children. First, the children are taken to a room with no other children and timed while they complete a puzzle. Later, the same children are taken to a room with four other children and timed while they complete a similar puzzle. In this study, the length of time it takes to complete the puzzle would be

A researcher has children watch 30 minutes of violent television, and then counts the number of times they hit each other afterward in a one-hour play period as a measure of aggression. The researcher concludes that television violence causes aggression. However, this conclusion may be invalid because

Of the following correlation coefficients, the one that would allow the most accurate predictions of one variable based on the other variable would be

The research method that is often used to obtain information concerning individuals' behaviors, attitudes, and/or opinions is the

In the Featured Study on "The Emotional Fallout of Expected and Unexpected Outcomes" participants expectations were manipulated by

If a psychologist hopes that his research will help to solve some practical problem, his hope reflects which goal of science?

Which research method involves the use of questionnaires or interviews to gather information about specific aspects of participant's background and behavior?