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Research Methods Review
Research Methods Review
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Review for Research Methods Unit
Flashcards
23 cards
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Answers
1
Randomization
ensures studies can be replicated
is good way to define dependent variable
reduces experimenter bias
difficult to achieve in reserch
2
How are a sample and population different from one another?
population is chosen randomly
sample is made of no more than 10 participants
population is smaller than sample
sample is smaller than population
3
Variables that should be controlled by keeping them the same or constant
independent
placebo
dependent
confounding
4
Some research questions cannot be answered using experimental method because
researchers know results may not be published
double-blind studies are dangerous to participants
some studies would be impractical or unethical
randomization is hard to achieve
5
What is the role of an Institutional Review Board?
see if IV is impacting the outcome of the study
ensure all research adheres to ethical guidelines
none of the above
ensure experiment's hypothesis is proven true
6
If a study is conducted through empirical investigation, this means
It is conducted in a research laboratory.
It is conducted by a psychologist who is a trained PH.D.
It is conducted in a research laboratory.
It is based on careful measurements and direct observation.
7
Testing if money can buy happiness. In this study money is
control group
hypothesis
dependent variable
independent variable
8
Which of the following is not a disadvantage of correlational studies?
one can never ensure groups are similar in every way
researchers must give up some control of research
subjects cannot be assigned randomly to various conditions
results apply to world outside lab
9
Students sitting in front row get higher grades than those sitting further back.is example of
hypothesis.
dependent variable.
correlation coefficient.
theory.
10
Will computer-aided learning produce higher test scores than lecture. Independent variable is
students
test scores
students' previous grades in psych
method of instruction
11
A full and honest account of purpose of a study at its completion
IRB approval
informed consent
deception
debriefing
12
Which study best determines if people's intelligence remained the same over course of life-span
survey
longitudnal
naturalistic
cross-sectional
13
The experimenter allows preconceived notions about what "should" happen in an experiment
participant bias
experimenter bias
observer bias
sample bias
14
Which of the following is a question that could be best answered using the scientific method?
Can your cat read your mind?
Was Elvis a great singer?
Is it cruel to spank your child?
Do men drive faster than women?
15
Measurements that use numbers to show levels, size, intensity, or amounts of a variable are
qualified
standardized
quantified
correlated
16
Which study should be used to decide how aggressive children are while playing during recess
experiment
case-study
longitudinal
naturalistic observation
17
A hypothesis must
be testable and falsifiable.
be proven true.
identify the randomization process.
define the independent and dependent variable.
18
The independent variable __, as the dependent variable__.
controlled by researcher; measured outcome of the study
is measured outcome; is the group does not get treatment
measured outcome; controlled by researcher
group that does get treatment;group that does not
19
Random assignment means
participants have equal chance of being in control or exp gp
participants should not know to what group they belong
every participant is placed in control group
participants select which group they would like to join
20
How the concepts are measured and the techniques used are
control groups
operational definitions
theories
dependent variables
21
Difference between experimental group and control is whether they
receive DV
are in double-blind study
are measured by the researcher
receive special treatment of interest
22
In comparing a theory and a hypothesis, it is noteworthy that
a theory is testable, but a hypothesis is not.
you can prove that both of them are true.
theory = scientific information a hypothesis = speculation.
hypothesis can be specific prediction related larger theory.
23
When participants are not told about the real purpose of the study
deception
vivisection
double-blind
debriefing
