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WorksheetsResearch Methods
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
The variable measured in an experiment is:
a)
The independent variable
b)
A null hypothesis
c)
The dependent variable
d)
An alternative hypothesis
2.
An extraneous variable:
a)
is deliberately changed in an experiment
b)
is an uncontrolled variable that could affect the DV
c)
Is measured in an experiment
d)
Occurs only in field studies
3.
Selecting participants who just happen to be available is called:
a)
Opportunity sampling
b)
Volunteer sampling
c)
Random sampling
d)
Quota sampling
4.
A laboratory experiment:
a)
Is easier to repeat
b)
Is more realistic
c)
Has no ethical issues
5.
The independent variable in study is:
a)
The one that is excluded
b)
The one that is changed by the experimenter
c)
The one that is observed or measured
d)
Not of interest to the experimenter
6.
A student plans to investigate the effects of practice on IQ test performance. Some participants are given two practice tests prior to the IQ test whereas others do the test beforehand. The dependent variable in this study is:
a)
The participants
b)
The effects of practice
c)
IQ test performance before the study
d)
IQ test performance at the end of the study
7.
In an independent groups design:
a)
There are two groups of participants
b)
The analysis involves comparing measures from two groups of people
c)
The analysis involves comparing two measures from the same person
8.
One advantage of doing a matched pairs design is:
a)
You need fewer participants than for a repeated measures
b)
You can control some participant variables
c)
Order effects are not a problem
9.
Which of the following is a random sample?
a)
Names drawn from a hat
b)
Asking people if they would like to take part
c)
Every 10th name in the register
d)
Taking whoever happens to be there
10.
The person who designs an experiment is called the:
a)
Investigator
b)
Experimenter
c)
Participant
d)
Designer
11.
A correlation looks at the relationship between:
a)
An IV and a DV
b)
Two co-variables
c)
Three co-variables
d)
Extraneous variables
12.
Good attendance in lessons is related to high grades is a:
a)
Positive correlation
b)
Zero correlation
c)
Negative correlation
d)
Accidental correlation
13.
A weakness of a correlation is:
a)
Can only investigate 'straight line' relationships
b)
Cannot be developed into further research
c)
Tells us nothing about cause and effect
d)
Can only tell us about the direction of a relationship
14.
The purpose of an experiment is to:
a)
Test extraneous variables
b)
Measure an independent variable
c)
Demonstrate a cause and effect relationship
d)
Change a dependent variable
15.
A field experiment:
a)
Controls extraneous variables well
b)
Has no DV
c)
Does not have standardised procedures
d)
Takes place in a natural setting
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