Exam 2: Methods in Psychology

Self-selection by participants to experimental conditions is an effective way of eliminating the third-variable problem.

What are the two key features of an experiment?

Research has shown that there is a correlation between the amount of violence a child sees on TV and the aggressiveness of the child's behaviour.One explanation of this correlation is that children who watch a great deal of violence on television have a lack of adult supervision.This explanation is an example of what kind of correlation?

The statement "Eating less spinach is associated with a shorter life span" is an example of:

University administrators are presented with mixed evidence that a recent initiative to increase first-year success among its students has been effective.Based on results from the psychological literature,the administrators probably will decide to:

The psychologist Diederik Stapel published fraudulent research results for decades before his deception was uncovered.When caught,Stapel was:

What is the BIGGEST limitation in natural correlation research?

What is the mean of the number sequence 1 1 2 6?

People are creatures of habit and usually behave the same way,regardless of whether or not they are being observed in a psychological study.

In the number sequence 1 1 2 3 4 5,which number is the mode?

Measuring intelligence in terms of eye colour lacks reliability.

A university dean is interested in measuring the research productivity of the seven members of the Psychology Department.The dean obtains the number of publications for each faculty member.They are as follows: 5,10,15,15,20,25,and 180.If the dean wants to describe these data,which measure of central tendency would paint a misleading picture of the research productivity of the department?

The scientific method was first formally described by Francis Bacon.

In the case method,only one individual is studied.

In a skewed distribution,the peak of the frequency distribution will correspond to the modal score.

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.

A researcher using naturalistic observation will gather scientific information by:

According to the Canadian Psychological Association,which statement about the use of coercion in psychological research is TRUE?

A researcher wants to assess the effects of varying amounts of alcohol on ratings of perception of friendliness.Three groups of people are given either one,two,or three beers to drink.Three more groups of people are given either one,two,or three non-alcoholic beers to drink.Then,all participants are shown a series of pictures of people's faces and are asked to rank the perceived friendliness of each face on a scale from 1 to 10.Each face was presented for 5 seconds.In this experiment,the dependent variable is: