Exam 4: Research Methods

In a study to investigate the effects of alcohol on reflexes, some students were given three bottles of beer and some were given three bottles of nonalcoholic beer, and reaction time was measured. The group that received the nonalcoholic beer is the .

Mary looks nothing like her mother, but Mary's daughter grows up to look exactly like Mary's mother. In other words, grandmother and granddaughter look alike. The fact that Mary's daughter looks like her (Mary's) mother but she herself doesn't is a good example of the

A phenotype is defined as an individual's

Jessie is the first person to contract a new virus by drinking unsafe water. How are psychologists most likely to study Jessie's health in the next year?

The purpose of randomization is to make sure that

Which of the following patterns is typical for a disorder that is influenced by genetics?

A researcher is testing the effects of sunlight on depression. The dependent variable is independent variable is

Single-case experimental designs utilize several strategies such as to improve their internal validity.

Provide definitions for the terms hypothesis, independent variable, dependent variable, and confound. Discuss how you could use a control group and randomization to ensure that the results of an experiment are accurate.

Your friend has trouble making commitments in relationships. You believe that this is because her parents had a bitter divorce when she was young. Your belief that a child who lives through a bitter parental divorce will have trouble making commitments in relationships as an adult would be considered a(n) .

The single-case experimental design

Placebos are used in experiments to

In family studies, scientists simply examine a behavioral pattern or emotional trait in the context of the family. The member with the trait singled out for study is called the .

According to the APA's IRB guidelines, participants in experiments must be fully informed

It can be important to use a double-blind procedure in a research study to prevent the

A hypothesis is defined as a(n) .

Dr. Smith uses a sample of participants in his memory study. Any conclusions that can be drawn from the results may be applied to the general population if there is a high degree of

The two most frequently used methods in prevention research for examining psychopathology across time are

Every incremental increase in variable A is associated with an exactly equal increase in variable B. The correlation between these two variables is .

A researcher studies the impact of stress on college students' exam scores. Whether the results of this study help us to understand the relationship between job performance and stress level of real-life organizational workers is a question of