Exam 2: Research Methodology

The "hot hand" phenomenon illustrates the necessity of inferential statistics because

A store owner wants to make sure she has enough shirts in the right sizes in her inventory, so she buys a lot of shirts in the most popular size.In order to make this purchase, what type of statistic would she want to know?

Another word for "replicate" is

Miranda is statistically combining the results of all the published studies on the effects of the presence of a weapon on eyewitness accuracy.In other words, Miranda is performing an)

If a researcher wanted to study the behavior of protesters who were in a closed group and did not easily admit new people, the researcher would probably use which of the following approaches to study them?

Which of the following is NOT an ethical principle for research participants in the United States?

Psychologists have greater confidence in research results when

Based on your text's discussion of scientific inquiry, the goals of psychological science include behavior and mental processes.

There is a correlation between depression and memory: When people suffer from depression frequently, they often display worse memory than people who suffer from depression less frequently.Genetics, however, may have an effect on a study participant's depression and memory.This combination of factors is known as

Which of the following is likely to be associated with observer bias?

When a researcher's bias affects the coding of data, there is a problem with

A psychologist wants to create two groups that are as similar as possible at the beginning of an experiment.To do this, he or she should use

According to some psychologists, Sigmund Freud's theory of the meaning of dreams was not a successful theory because

If a researcher created two groups by assigning the first 30 people to the experimental group and the last 30 to the control group, the process would violate the principle of

The statistic that involves the basic arithmetic average of a set of scores is known as the

The variable that a researcher manipulates in an experiment is called the

Investigators who are interested in quickly gaining a lot of information about group attitudes are likely to use what kind of research approach?

In which of the following types of study do researchers examine the extent to which variables are naturally related in the real world that is, there is NO attempt by the researcher to influence the relation among the variables)?

Which of the following is an example of a statement describing risks and benefits that one might encounter before participating in a research study?

One criticism that is made of many experimental studies in psychology is that