Exam 2: The Tools of Psychological Research

A placebo is used to:

The dependent variable in an experiment is:

A group of researchers wanted to determine whether children behave more aggressively after watching violent television programming.Half the children in the study watch a violent television show; the other children watch a nonviolent television program.In this study, the control group is:

Suppose the correlation between Behaviors X and Y is +.90 This means that:

The most frequently occurring score or ____________________ is a commonly used measure of central tendency.

When concepts are defined in terms of the way in which they will be measured, those concepts are said to be:

Researchers wanted to determine if memory is affected by the way in which material is encoded.One group of research participants formed mental images of the objects to be remembered, while another group repeated the names of the objects to be remembered.The design of this study is consistent with:

Dr.Klein is watching parents interact with teachers during their end-of-quarter conferences to discuss their children's grade reports to see if there are any consistent features in behavior that commonly appear.Which step in scientific method is this?

An experiment that allows for the determination of causality has:

In psychology research, ____________________ are involved in less than 10 percent of studies.

Telling potential research participants the nature and possible risks of the research prior to their participation is part of the ethical requirement of:

Professor Jenkins wrote a really easy test, and all the students got an A.Professor Jenkins is using the grading method known as:

A test that is designed to measure one's potential success in a given area of study or profession is:

When an observer attempts to become a part of the activities being studied in order to blend into the group, the observer is performing ____________________.

Professor Pandolfi found the range of scores on his first exam was 40.Which of the following represents the scores on the exam?

The research method in which a large group of individuals is asked for their opinions is:

In an experiment, the ____________________ is manipulated by the investigator in order to determine whether it has an effect on behavior.

The mean for a data set is:

The ethical practice in which the right to privacy of all research participants is maintained is known as:

Which of the following is NOT a measure of central tendency?