Exam 2: Methods in Psychology-Part A

Dr.Sardonicus learned of a woman whose tongue turned a bright shade of green whenever she felt stressed.Although this is a rare event in the general population,Dr.Sardonicus nonetheless interviewed the woman at great length and made detailed observations about her behavior.Dr.Sardonicus used _____ to gather data.

Institutional review boards ensure that data is ethically:

In a positively skewed distribution,the peak of the distribution corresponds to which measurement(s)?

In a classic experiment,psychology students were assigned to work either with "bright" rats or with "dull" rats,described as such by the experimenter.After a series of tests,the students' results showed that the "bright" rats had outperformed the "dull" rats.However,in fact,all the rats were of the same strain and breed;there were no preexisting differences between the groups.What caused the difference in their performance?

The ethical principle of _____ means that participants must be told the true purpose and nature of an experiment after it is over.

Externally invalid experiments are not problematic when the goal of the research is to:

A device that can detect the events to which an operational definition refers is a(n):

What is one reason why naturalistic observation alone cannot solve the problem of demand characteristics?

Drugs of abuse activate the reward pathway in the brain.This pathway consists of multiple brain structures,many neurotransmitters,and millions of interconnected neurons.Determining the brain changes that underlie the transition from casual drug use to addiction is a difficult process due to the _____ of the system.

What is the major problem associated with self-selection as a way to assign participants to the experimental and control groups?

External validity means that:

According to the American Psychological Association (APA)Code of Ethics,which statement about risk-benefit analysis is TRUE?

The more frequently people go to church,the less likely they are to use drugs and alcohol.This is an example of:

According to the textbook,what three things make people especially difficult to study?

The APA Code of Ethics does NOT mandate that psychologists must respect: