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An example of the “experimenter effect” would be a situation in which the experimenter:
Which of the following is considered by the text to be a pseudo-psychology?
Basic ethical guidelines for psychological researchers include:
Which of the following best describes a double-blind experimental procedure?
A friend states that since he has been taking vitamin C, he has not had a single cold. His observation has little value in assessing the effects of vitamin C because:
The independent variable in an experiment is:
In order to summarize or organize a series of observations in some meaningful way, psychologists may develop:
Collection of observable evidence. precise definition and replication result all form the basis for:
An advantage of the experimental method in psychology is:
in the traditional learning experiment, the effect of practice on performance is investigate(d) performance is the __________ variable.
A correlation coefficient of 0 means that there is:
A researcher determines that the crime rate in a large city fluctuates with the phases of the moon. He concludes that the gravitational pull of the moon influences human behavior. He has committed what error?
Students who do better in high school tend to do better in college. This is an example of:
Which of the following coefficients of correlation indicates the strongest relationship between two sets of variables?
A major disadvantage of the experimental method is that:
The chief function of the control group in an experiment is that it:
The most powerful research tool is a(n):
The statistical technique that combines results of a large number of studies is called:
We wish to test the hypothesis that music improves learning. We compare test scores of students who study to music with those who study in silence, Which of the following is an extraneous variable in this experiments?
An experiment is performed to see if background music improves learning Two groups study the same material. one while listening to music. The independent variable is:
Three major ethical concerns of psychological researchers are deception lasting harm to subjects, and:
An experimenter conducts an experiments on the effects of a drug to control hallucinations. He declares the results to be “statistically significant,’ which usually means that:
To prevent ethical abuse in psychological research, the APA has suggested that:
A common method for selecting representative samples is to select them.
A psychologist watches the rapid eye movements of sleeping subjects and wakes them to find they report that they were dreaming. She concludes that dreams are linked to rapid eye movement. this conclusion is based on:
Which of the following is considered a disadvantage of naturalistic observation?
Subjects are said to be assigned randomly when:
A teacher believes that one group of children is very bright and that a second is below average in ability, Actually the groups are identical, but the first group progresses more rapidly than the second this demonstrates:
A psychologist observes the confrontation between two rival neighborhood gangs from the window of an abandoned building. This method of collecting observations is best described as:
In an experiment to find out if taking ginseng increases IQ scores, the IQ scores would be:
__________ is an ability to evaluate compare, analyze, critique, and synthesize information.
The phrase “a theory must also be falsifiable” means:
The products of naturalistic observation are best described in terms of:
A psychologist using the method of naturalistic observation would:
In a study of effects of alcohol on driving ability, the control group should be given:
A study to determine the degree of relationship between two events is called:
A scientific explanation that remains tentative until it has been adequately tested is called a(n):

A simple experiment has two groups of subjects called:

A. the dependent group and the independent group
B. the extraneous group and the independent group
C. the before group and the after group
D. the control group and the experimental group

Correct Answer: the control group and the experimental group ✔

Last Updated: May 03, 2024