Exam 2: The Research Enterprise in Psychology

The main advantage associated with the experimental method is

When,or if,a research project uses a sample that is NOT representative of the population from which it was drawn,the project would show the effect of

Dr.Redding has found a correlation of +0.65 between snoring and weight.This indicates that

Which research method involves a researcher engaging in careful observation of behavior without intervening directly with the subjects?

What are the three goals of scientific enterprise in psychology?

The fact that subjects sometimes report beneficial effects from a placebo treatment illustrates which of your text's unifying themes?

A psychologist measures blood alcohol level to determine intoxication.In this example,blood alcohol level is the ____ definition of intoxication.

In a study designed to test the effects of a new drug developed to treat Alzheimer's disease,half the patients were given the actual drug while the other half of the patients were given a placebo (sugar pill).In this study,the experimental group is

Scarlett is a graduate student who is observing children playing together after watching a film.She knows that some children saw a film that contained graphic scenes of violence and some children saw a non-violent film,but she doesn't know which film each child she is observing watched.In this case,Scarlett is recording data for

A researcher is investigating the effects of caffeine consumption on student writing performance.Because the researcher will evaluate both the speed of assignment completion and the number of grammatical errors,she will need to include more than one ____________ variable in her study

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

A computerized database that allows individuals to locate journal articles and other published works related to psychological research is

The fact that many times researchers unintentionally influence the outcome of their studies implies the existence of

Estavan received a questionnaire in the mail asking about his general buying habits.He was asked to identify the specific products that he typically buys,and the amount of each product that he typically uses.If Estavan completes the questionnaire and returns it,he will have taken part in research that incorporates

One of the main concerns with the case study method of research is that

In experimental research,while subjects in the ____ group received some special treatment in regard to the independent variable,subjects in the ____ group did not.

Placebo effects and experimenter bias both show that personal experience can be ____________________.

A researcher found that clients who were randomly assigned to same-sex groups participated more in group therapy sessions than clients who were randomly assigned to coed groups.In this experiment,the dependent variable was

The fact that researchers focus their attention on findings that are unlikely to have occurred by chance illustrates which of your text's unifying themes?

A recent investigation of potential sampling bias in psychological research indicated that approximately___ percent of the samples in published studies came from the United States.