One of the main differences between experimental and observational research is that in experimental research...

PSYC1040 Research Design

Quiz
•
Science
•
University
•
Hard
Joshua Sabio
Used 5+ times
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
the independent variable (IV) is measured.
the dependent variable (DV) is measured.
a causal relationship between the IV and the DV cannot be established.
the IV does not vary.
the IV is manipulated and controlled.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is an operational definition?
a theoretical concept
a specification of how to measure or manipulate a variable
a rule assigning numbers to a variable
a measure of predictive validity
a measure of reliability
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A researcher is comparing the mental arithmetic ability of men and women. She recruits a group of elderly men and a group of young women. The researcher concludes that women have better arithmetic ability compared to men.
What is a confound of this particular research design?
Age
Gender
Mathematical ability
Time of day
Age and mathematical ability
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In experimental research, one of the effects of individual differences, such as intelligence, is to...
increase variability in the DV
decrease variability in the DV
increase any effect of the IV
decrease any effect of the IV
decrease any effect of the IV; and increase any effect of the DV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The confounding effect of situational variables can be dealt with by...
(A) holding them constant
(B) balancing them across conditions
(C) allowing them to vary at random
(D) allowing them to systematically vary with the IV
(A) + (B) + (C)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Twenty 5-year-old children (N = 20) are randomly allocated into two groups of 10, and placed in either a special reading program group or a normal reading group. After six months the two groups are compared on reading ability.
What are the independent and dependent variables?
IV: Age
DV: Height
IV: Reading program
DV: Reading ability
IV: Time
DV: Reading program
IV: Height
DV: Reading ability
IV: Reading program
DV: Time
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In research, variability in the dependent variable can be influenced by
The IV
Individual differences
Extraneous variables
Measurement error
All of the above
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A good study must always have:
reliability
realism/relevance
causal interpretability
all of the above
at least one of the above
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