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Quantitative Research Flashcards | StudBud
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Quantitative Research
Quantitative Research
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Questions
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Answers
1
A phenomenon of interest that cannot be measured directly is a...
Discrete Variable
Predictor Variable
Error
Construct
2
If the mean is 65 and the SD is 10, what numbers are +/- 2 SD away from the mean?
45 and 85
40 and 80
55 and 95
65 and 75
3
______ and _______ help to evaluate more complex relationships between predictor and criterion variables
Moderation and Mediation
Simple and Multiple regression
Type I and Type II errors
Correlation and Causation
4
An example of a construct is...
Height
Weight
Miles
Self-Esteem
5
Nominal variables include mathematical operations and values
False
True
6
_____ refers to the process of placing individuals into experimental or control groups
Random sampling
Sampling
Instrumentation
Assignment
7
How many variables does multiple regression use?
0 criterion variable, 1 predictor variable
1 criterion variable, 1 predictor variable
1 criterion variable, 2 or more predictor variable
1 criterion variable, 0 predictor variable
8
A construct can be measured and interpreted in different ways
True
False
9
A type II error occurs when a researcher rejects the null hypothesis when it should have been retained
False
True
10
What measure of error indicates the average amount of error from the mean?
Range
Standard Deviation
Interquartile Range
Variance
11
______ is the most common measure of central tendency
Median
Mode
Range
Mean
12
Validity refers to the degree to which evidence and theory support the interpretations of test scores
True
False
13
________ tests the linear relationship between two variables: a predictor variable and one criterion variable
Multiple regression
Simple regression
Chi-square test
Correlational
14
Quantitative research concerns...
All of the above
Provides numerical value to phenomena
Follows a research process
Generalizability
15
_________ occurs when variables are highly correlated but not theoretically linked
Correlation
Error
Spurious correlation
Causation
