Chapter 1 Quiz

Question 1

The factor that is manipulated in an experiment is known as the _______________, while the outcome that is measured is known as the _______________.

Answer 1

independent variable; dependent variable

Question 2

An experimental psychologist needs to provide a visual representation of the direction and strength of a relationship between two variables. This would entail the use of a:

Answer 2

Scatterplot

Question 3

In an experiment the _________________________ is exposed to the independent variable, while the _________________________ is not exposed to the independent variable and serves as a comparison to evaluate the effect of the treatment.

Answer 3

experimental group; control group

Question 4

In a ____________________ correlation, the scores rise and fall together; in a _____________________ correlation, one score falls as the other rises.

Answer 4

positive; negative

Question 5

Our tendency to perceive events as obvious or inevitable after the fact is known as:

Answer 5

hindsight bias

Question 6

Predictions based on theory are called:

Answer 6

hypotheses

Question 7

An experimental procedure where neither the participants nor the researchers know who is in the experimental or the control group is referred to as a:

Answer 7

double-blind procedure

Question 8

A bell-shaped distribution, in which most scores fall near the middle and fewer scores fall at each extreme is a:

Answer 8

normal curve

Question 9

Which of the three measures of central tendency is most easily distorted by a few very large or very small scores?

Answer 9

the mean

Question 10

In a survey you need to establish a group of people who represent the country’s entire adult population. To do this you will need to recruit a _______________ sample of the population.

Answer 10

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