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 _______.

One of the major problems of using family studies to determine the genetic components of psychological disorders is that family members may have similar disorders due to

The purpose of random assignment is to make sure that

The correlation between the amount of time a college student studies and the student's height in inches is ________.

In regard to research design,all of the following statements are true EXCEPT that

Describe each of the four components of informed consent for research participants.Explain why it may be difficult to satisfy informed consent when research participants are mentally retarded adults.

Of the following,researchers use _____________ to attempt to control for the phenomenon called the "allegiance effect," which occurs when experimenter bias influences research outcomes.

The genetic mechanism that ultimately contributes to the underlying problems causing the symptoms and difficulties experienced by people with psychological disorders is called ______.

One significant limitation of the cross-sectional design is called the "cohort effect." This relates to the fact that

Dagwood discovered that the more intelligent a person is,the more books that person has at home.From this,Dagwood inferred that books make one more intelligent,so he rushed to the bookstore and spent hundreds of dollars on books for his home library in hopes of increasing his intelligence.Dagwood could have saved his money,because

One of the problems in trying to understand how psychopathology may be "caused" by cultural influences is that similarities in the way individuals of a culture experience psychopathology

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.

The purpose of a control group in experimental research is to

What type of research focuses on the results of an intervention?

Longitudinal and/or cross-sectional research is often necessary to determine

Whenever Hilda smiles,the whole world smiles with her.If Hilda doesn't smile,the world doesn't smile.The correlation coefficient describing the relation between Hilda's smiles and the world's smiles is

Epidemiologists study _____________ of a particular problem in one or more populations.

Of the following,this hypothesis would NOT be appropriate given the concept of testability:

Which of the following is an example of treatment process research?

Epidemiology is the study of