WorksheetsPsychology - Ch 1
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
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.
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 confounding variable 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 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
6.
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
7.
Which method should a psychology researcher use if she is interested in testing whether a specific reward in a classroom situation causes students to behave better?
a)
Case Study
b)
Experiment
c)
Survey
d)
Naturalistic Observation
8.
After the student council election, a friend tells you he has known for weeks who would be elected president. What does this seem to illustrate?
a)
Critical thinking
b)
Hindsight Bias
c)
Overconfidence
d)
Skepticism
9.
What do we call the tendency to exaggerate the correctness or accuracy of our beliefs and predictions prior to testing?
a)
Hindsight Bias
b)
Overconfidence
c)
Critical Thinking
d)
Reliability
10.
Why is an operational definition necessary when reporting research findings?
a)
An operational definition allows others to replicate the procedure
b)
An operational definiton provides more context and includes many examples of the same concept described.
c)
An operational definition is easier to translate into muliple languages than a dictionary definition
d)
An operational definition is not necessary since a dictionary definitoin will work as well for replication.
11.
A researcher looking for gender differences in 3-year old observes a preschool class and records how many minutes children of each gender play with dolls. She then compares the two sets of numbers. What type of descriptive research is the conducting?
a)
Case study
b)
National study
c)
Random sample method
d)
Naturalistic Observation
12.
Which of the following questions is best investigated by means of survey?
a)
Is IQ related to grades?
b)
Are violent criminals genetically different from nonviolent criminals
c)
Does extra sleep improve memory?
d)
Are students more likely to be politically liberal or conservative?
13.
A testable prediction that drives research is known as a(n)
a)
theory
b)
hypothesis
c)
operational definition
d)
guess
14.
An individual with an exceptional memory is identified.She is capable of recalling major events, the weather, and what she did on any given date. What research method is being used if a psychologist conducts an in-depth investigation of this individual including questionnaires,brain scans, and memory tests?
a)
Survey
b)
Interview
c)
Case Study
d)
Naturalistic Observation
15.
Dr. Schulte wants to investigate if aggressive behavior in children is increased if they view violent videos. In this instance, the dependent variable is
a)
violent videos
violent videos
b)
aggressive behavior
aggressive behavior
c)
a placebo
a placebo
d)
the control condition
the control condition
16.
A client whose improvement during therapy is the result of his or her expectation of improvement rather than the result of the therapy itself is showing
a)
a placebo effect
b)
catharsis
c)
negative transference
d)
tardive dyskinesia
17.
An experiment is performed to see if background music improves learning. Two groups study the same material, one while listening to music and another without music. The independent variable is
a)
learning
b)
size of group
c)
material studied
d)
presence of music
18.
Operational definitions are used for which of the following reasons?
a)
They enable researchers to replicate
studies by precisely describing the variables and how they are used.
b)
They exclude mental processes from being
studied, as they are no longer considered part of the scientific study of
psychology.
c)
They
determine which test of statistical significance will be used to analyze the
results of the experiment
d)
They
determine whether the experiment is better suited for a laboratory or a field
setting
19.
We wish to test the hypothesis that music improves learning. We compare test scores of students who study to music with those who study in silence. Which of the following might be an extraneous variable?
a)
presence or absence of music
b)
students' test scores
c)
amount of time allowed for the studying
d)
silence
20.
In a study of effects of alcohol on driving ability, the control group should be given
a)
a
high dosage of alcohol
b)
one-half the dosage given the
experimental group
c)
a driving test before and after drinking
alcohol
d)
no alcohol at all
21.
Neither the researcher nor the subjects knew whether or not they received the drug studied or a placebo. This is an example of
a)
expectancy effects
b)
pacebo effects
pacebo effects
c)
double blind
d)
nothing. It would be ridiculous
22.
Students who do better in high school tend to do better in college. This is an example of
a)
a.a negative correlation
b)
a zero correlation
c)
a
positive correlation
d)
a
perfect correlation
23.
Johnny is part of a study designed to test the ability of a pill to cure the migraines of people who experience chronic migraines. After a few days, Johnny finds that the pill has alleviated his migraines and he experiences far fewer than usual. However, unbeknownst to Johnny, the pill he has been taking is nothing more than a sugar pill. What effect is Johnny most likely under the influence of?
a)
The Stratified Effect
b)
The Self-Bias Effect
c)
The Placebo Effect
d)
The Psychoanalytic Effect
24.
The condition that exists when the probability that the findings are not due to chance
a)
statistical significance
b)
experimenter bias
c)
confounding variables
25.
Five students received the following test scores: 7,11,5,6, and 11. What is the mean and range?
a)
A. 8,6
b)
B. 11,4
c)
C. 8,11
d)
D. 8,7
100 %
