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Psychological Research, Ethics & Stats

Total questions: 75

Worksheet time: 44mins

Name
Class
Date
1.

You have received some confidential information. It means you

a)

must tell everyone about it.

b)

cannot tell everyone about it.

c)

can tell everyone about it if they ask.

2.

A 'consent' form is...

a)

a special concert ticket.

b)

an official permission.

c)

researcher's guidelines.

3.
A frequency distribution
a)
is a way to present data visually in a table
b)
depicts a correlation between two variables using a histiogram
c)
is the same thing as a scattergram
d)
typically lists the frequency of each score on the horizontal axix
4.
Your psychology professor wants to organize and summarize the scores on the first psychology test; which type of statistics is your professor most likely to use? 
a)
descriptive statistics
b)
inferential statistics
c)
correlational statistics
d)
significant statistics
5.
You psychology professor wants to describe the average score on your first psychology test.  Which measure of central tendency is your professor most likely to use? 
a)
mean
b)
median
c)
mode 
d)
harmonic mean
6.
Which measure of central tendency is obtained by adding all the scores and dividing that total by the number of scores?
a)
mode
b)
median
c)
mean
d)
range
7.
Scores pile up at the low end of the scale in 
a)
a negatively skewed distribution
b)
a positively skewed distribution
c)
any skewed distribution
d)
a normal distribution
8.
In a strongly skewed distribution, the best indicator of central tendency is usually the
a)
mean
b)
median
c)
mode
d)
standard deviation
9.

When scores are "bunched up"in the center of a distribution, the

a)

mean will be relatively low

b)

standard deviation will be relatively low

c)

correlation coefficiaent will be a negative number

d)

standard deviation will be relatively high

10.
The standard deviation
a)
indicates the average difference between each score in a group and the mean for that group of scores
b)
reveals the degree of skew for a a group of scores 
c)
is sensitive to scores at the extremes of a distribution of scores
d)
is used to determine whether a data set is positively or negatively skewed
11.
The symmetric, bell shaped curve that represents the pattern in which many human characteristics are dispersed in the population is known as
a)
scatter plot
b)
normal distribution
c)
frequency polygon
d)
histogram
12.

Statistically Significant

a)

Referring to differences in data sets that are larger than chance variation would predict

b)

A number that represents the strength and direction of a relationship existing between two variables

13.

Correlation Coefficient

a)

A number that represents the strength and direction of a relationship existing between two variables

b)

Referring to differences in data sets that are larger than chance variation would predict

14.

Correlation Coefficient

a)

A number that represents the strength and direction of a relationship existing between two variables

b)

Referring to differences in data sets that are larger than chance variation would predict

15.

Normal Distribution/Curve

a)

A special frequency polygon, shaped like a bell, in which the scores are symmetrically distributed around the mean, and the mean, median, and mode are all located on the same point on the curve with scores decreasing as the curve extends from the mean

b)

A distribution of scores in which scores are concentrated in the high end of the distribution

c)

A distribution of scores in which scores are concentrated in the low end of the distribution

16.

Outliers

a)

Extreme values in a set of data that may throw off the accuracy of the data set as a whole

b)

Referring to differences in data sets that are larger than chance variation would predict

c)

The square root of the average squared deviations from the mean of scores in a distribution; a measure of variability

d)

A number that represents the strength and direction of a relationship existing between two variables

17.

Scatterplot

a)
b)
c)
d)
18.

Outlier

a)
b)
c)
d)
19.

Normal Distribution / Normal Curve

a)
b)
c)
20.

Which ones are skewed?

a)
b)
c)
21.
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
22.
Which correlation coefficient represents the strongest relationship between variables?
a)
-0.78
b)
0.67
c)
0.85
d)
-0.87
23.
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
24.
Independent variable is to dependent variable as _________ is to ____________.
a)
hypothesis | conclusion
b)
effect | cause
c)
cause | effect.
d)
conclusion | hypothesis
25.
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
26.
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
27.
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.
28.
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.
29.
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
30.
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
31.
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
32.
This research method is a descriptive technique in which one individual or group is studied in depth in the hope of revealing universal principles
a)
Case Study
b)
Survey
c)
Observational
d)
Correlational
e)
Experiments
33.
This research method is a technique for ascertaining the self – reported attitudes or behaviors of a particular group, usually by questioning a representative, random sample of the group.
a)
Survey
b)
Observational
c)
Correlational
d)
Experiments
e)
Case Study
34.
This research method is a measure of the extent to which two variables change together, and thus of how well either variable predicts the other
a)
Correlational
b)
Experiments
c)
Case Study
d)
Survey
e)
Observational
35.
This is a method of research where an investigator manipulates one or more factors (independent variables) to observe the effect on some behavior or mental process (the dependent variable).
a)
Experiments
b)
Case Study
c)
Survey
d)
Observational
e)
Correlational
36.

What is a hypothesis?

a)

an educated guess

b)

an absolute solution

c)

a random guess

d)

an experiment

37.

What is a theory?

a)

a guess on how something works

b)

a tested conclusion accepted as true

c)

a story explaining how the world works

d)

an assumption

38.

What is replication?

a)

cloning the scientist who first did an experiment

b)

doing an experiment for the first time

c)

doing an experiment again and getting different results

d)

Doing an experiment again and getting the same results

39.

What are two methods of surveying?

a)

tests and interviews

b)

experiments and questionnaires

c)

interviews and questionnaires

d)

case studies and experiments

40.

What is a target population?

a)

the whole group you want to study or describe

b)

the population that is practicing for the Hunger Games

c)

population inside the classroom

d)

part of the group you want to study or describe

41.

What is a sample in research?

a)

the whole target population

b)

a piece of food you get to try

c)

an educated guess

d)

only part of the target population

42.

What is bias?

a)

a predisposition to a certain point of view despite what the facts suggest

b)

believing the facts, despite one's opinion

c)

listening to opinions of politicians

d)

believing in childhood myths

43.

How can participant bias affect the outcome of a study?

a)

It can make others want to volunteer for the study

b)

It can invalidate it, if the volunteers hold bias that is counter to the opinions of those who are not part of the study, but are represented by it

c)

It can split the results in two

d)

It can prove it correct, because volunteer opinions accurately represent everyone in the population

44.

All of the following are methods of psychological research EXCEPT

a)

Testing Method

b)

Latitudinal Study

c)

Case Study

d)

Longitudinal Study

45.

The Naturalistic-Observation Method takes place...

a)

with a mouse

b)

in a house

c)

in the field

d)

in a lab

46.

What is meant by the term 'research'?

a)

A statement about what you think will happen

b)

The element of a study you aim to measure

c)

Investigating something systematically with the aim of demonstrating facts and producing theories

47.

If a study is perceived as 'objective', what does this mean?

a)

It may yield a range of different responses

b)

Free from bias, uninfluenced by personal expectations, emotions or personal opinions

c)

Multiple researchers will find different results

48.

If the majority of people exhibit a behavior, it is considered to be a:

a)

norm

b)

narm

c)

phenomena

d)

force

49.
Descriptive research where one person or group is studied in depth; baby albert
a)
naturalistic observation
b)
experiment
c)
correlational study
d)
case study
50.
Research method where questions are asked to subjects who report their own answers
a)
case study
b)
experiment
c)
survey
d)
naturalistic observation
51.
"Monday Morning Quarterback" rarely act surprised about the outcome of the weekend football games.  This tendency to believe they knew how the game would turn out is best explained by which psychological principle?
a)
Overconfidence
b)
Hindsight Bias
c)
Intuition
d)
Illusory Correlation
52.
Which of the following demonstrates the need for psychological science?
a)
Psychology's methods are unlike those of any other science
b)
Psychological experiments are less valuable without psychological science
c)
Out intuitions about human thinking and behavior are not always accurate
d)
Intuitions does not provide correct answers unless it is applied through the scientific method
53.
Which of the following is a potential problem for a case study?
a)
They provide too much detail and the researcher is likely to lose track of the most important facts.
b)
They are generally  too expensive to economical
c)
They may be misleading because they don't fairly represent other cases
d)
The dependent variable is difficult to operationally define in a case study
54.
Mary watches several different species of birds to discover how they feed their young in their habitat, without being intrusive. This would be an example of what type of study?
a)
Case study
b)
Naturalistic observation
c)
Survey
d)
Experiment
55.
What is curious skepticism?
a)
Closed to new ideas
b)
Goes along with anything
c)
Doesn't ask questions but also doesn't accept new ideas
d)
Open to new ideas but still questions them
56.
When people have the tendency to think they know more than they do
a)
Intuition
b)
Hindsight bias
c)
Overconfidence
d)
Perceiving order in random events
57.
According to the ethical guidelines set by the American Psychological Association  (APA), which of the following is true of psychological research in which animals are used as subjects?
a)
It must not involve the use of surgical  procedures.
b)
It is no longer permitted  by the APA without special authorization.  
c)
It should conform to all APA ethical guidelines for animal research
d)
It may not be conducted by psychologists who do not have a license
58.
An experiment where neither the participants nor the experimenter know who has received the treatment, until the experiment has concluded, is known as what?
a)
Random Experiment
b)
Single-blind Experiment
c)
Stratified Experiment
d)
Double-blind Experiment
59.
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
b)

aggressive behavior
c)

a placebo
d)

the control condition
60.
When everybody has an equal chance of being included in a study, this process is called
a)
unbiased reporting
b)

survey
c)
random sample
d)
reliability
61.
The experimental factor that is manipulated; the variable whose effect is being studied.
a)
Experimental condition
b)
Control condition
c)
Independent variable
d)
Dependent variable
62.
A specific, testable prediction, narrower than a theory
a)
Theory
b)
Hypothesis
c)
Critical thinking
d)
Psychological reasoning
63.
Group that does receive the treatment
a)
Experimental group
b)
Control group
64.
Group that does not receive the treatment
a)
Experimental group
b)
Control group
65.
______ are good because researchers can get a lot of information from a lot of people in a short amount of time.
a)
Experiments
b)
Correlation Studies
c)
Surveys
d)
Case Studies
66.
____________Studies is research gathering info from different age groups at the same time
a)
Longitudinal
b)
Experiment
c)
Cross Sectional
d)
Correlation
67.
Repeating a research study to confirm the results of an original study
a)
Generalization 
b)
Ethical
c)
Replication
68.
Professor Ober carefully monitors and records the behaviors of children on school playgrounds to track the development of their physical skills. Professor Ober is engaged in:
a)
experimentation. 
b)
replication. 
c)
survey research.
d)
naturalistic observation. 
69.
Which research design is focused on gathering information about self-reported perceptions or attitudes through questionnaires?
a)
survey method 
b)
correlational study 
c)
naturalistic observation 
d)
case study
70.
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
71.
What are participants promised so that they feel comfortable answering questions honestly?
a)
Written consent
b)
Debriefing
c)
Confidence
d)
Confidentiality
72.
To accurately predict an outcome, it is necessary for researchers to study a group that represents the ____.
a)
sample
b)
bias
c)
target population
d)
local attitude
73.
In a _____ participants don't know if they're part of the experimental group or the control group.
a)
single-blind study
b)
survey
c)
naturalistic observation
d)
double-blind study
74.
People who volunteer to participate in studies may bring with them a different outlook than those who choose not to participate.  What is this called?
a)
reactional control
b)
stratified bias
c)
voluntary organizing
d)
volunteer bias
75.
When one variable increases and another variable also increases, this relationship between the two variables is called _____.
a)
negative correlation
b)
oppositional relationship
c)
positive correlation
d)
follow-the-leader research