WorksheetsResearch Methods - Psychology
Total questions: 14
Worksheet time: 8mins
Name
Class
Date
1.
A correlation coefficient of 0.8 is a _______________ and suggests that as one variable ____________, the other variable ______________.
a)
strong positive | increases | increases
b)
weak positive | increases | increases
c)
strong positive | increases | decreases
d)
weak positive | increases | decreases
2.
Which correlation coefficient represents the strongest relationship between variables?
a)
-0.78
b)
0.67
c)
0.85
d)
-0.87
3.
In a study of the effect of a driver training program on driving skill, a possible operationalisation of the dependent variable would be...
a)
driving quality
b)
number of accidents
c)
hours spent training
d)
amount of traffic
4.
Independent variable is to dependent variable as _________ is to ____________.
a)
hypothesis | conclusion
b)
effect | cause
c)
cause | effect.
d)
conclusion | hypothesis
5.
Which kind of study can establish a cause-effect relationship between variables, assuming that the research is appropriate and well conceived?
a)
survey
b)
case study
c)
correlational study
d)
experiment
6.
Which answer lists two measures of the spread of data around the mean?
a)
mode and median
b)
standard deviation and range
c)
inferential statistics and descriptive statistics
d)
scattergrams and boxplots
7.
Which statement is correct?
a)
A stratified sample is more likely to be representative of the population than a convenience sample.
b)
A sample is always representative of a population.
c)
A convenience sample is more likely to be representative of the population than a stratified sample.
d)
A small random sample is more likely to be representative of the population than a large stratified sample.
8.
The population in a research study is...
a)
the whole group of research interest.
b)
the smaller group that has been chosen from the group of research interest.
c)
exactly the same as the sample.
d)
always smaller than the sample.
9.
Which answer provides examples of participant variables?
a)
independent variables, dependent variables
b)
time of day, noise level, temperature, location
c)
prior experience, motivation, intelligence, educational background
d)
extraneous variables, confounding variables
10.
Which answer provides examples of situational variables?
a)
independent variables, dependent variables
b)
time of day, noise level, temperature, location
c)
prior experience, motivation, intelligence, educational background
d)
extraneous variables, confounding variables
11.
In a study of the Müller-Lyer illusion, it is found that Africans who have experienced non-angular housing are less easily tricked by the illusion than people in Western cities. Which answer is true?
a)
Cultural background is the dependent variable in this experiment.
b)
The Müller-Lyer illusion is the independent variable in this experiment.
c)
The degree to which the illusion is experienced is the independent variable in this experiment.
d)
Cultural background is the independent variable in this experiment.
12.
_______________ is an advantage of an independent-groups experimental design; ______________ is a disadvantage.
a)
Complexity of administration | the possibility of order effects
b)
Ease of administration | the possibility of participant variables influencing the outcome
c)
Complexity of administration | intrusive pre-testing
d)
Ease of administration | the possibility of order effects
13.
_______________ is an advantage of a repeated-measures experimental design; ______________ may be a disadvantage.
a)
Reducing the effect of situational variables | order effects
b)
Ease of administration | possible confounding participant variables
c)
Reducing the effect of participant variables | order effects
d)
Complexity of administration | the influence of situational variables
14.
Counterbalancing is a procedure that is intended to reduce ______________ in a/n ______________ design.
a)
order effects | independent-groups
b)
order effects | repeated-measures
c)
the influence of participant variables | matched-participants
d)
the influence of participant variables | independent-groups
100 %
