# Quiz 17: Doing Real Research: Elementary Multivariate Relationships

Criminal Justice

Q 1Q 1

Conceptual property space refers to
A)the amount of measurement present in any one concept
B)the use of unstandardized slopes to refer to the amount of property inherent in a concept
C)the amount of measurement present in any one variable
D)independent and shared measurement

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Multiple Choice

D

Q 2Q 2

Which answer below best characterizes multiple regression?
A)it adds variables to see the effect of the combined variable set on a dependent variable
B)it multiplies the effect of a bivariate relationship by the number of added control variables
C)it regresses each variable on the dependent variable and then sums their bivariate correlations
D)none of the above

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Multiple Choice

A

Q 3Q 3

A third-order partial relationship is represented by:
A)a dependent variable,a control variable and an independent variable
B)a dependent variable,two control variables and an independent variable
C)a dependent variable,three control variables and an independent variable
D)a dependent variable and two independent variables

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Multiple Choice

C

Q 4Q 4

A bivariate correlation is also known as a(n)
A)zero-order correlation
B)single-order correlation
C)double-order correlation
D)basic correlation

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Multiple Choice

Q 5Q 5

Multiple regression
A)has more assumptions than regression
B)has the same assumptions as regression
C)has fewer assumptions than regression
D)the two cannot be compared because of the difference in their equations

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Multiple Choice

Q 6Q 6

Multiple regression can be used to
A)determine which predictor variable is the best predictor
B)the effect of all variables on a dependent variable
C)use variables as a block,like a single predictor
D)all of the above

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Multiple Choice

Q 7Q 7

An R-square of .80 means that
A)a set of variables has a high correlation with the dependent variable
B)the original bivariate correlation,when controlled for multiple variables,has a high correlation with the dependent variable
C)the original bivariate correlation has an R-square of .20 (1.0 minus .80)
D)a and b above

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Multiple Choice

Q 8Q 8

Partial regression differs from multiple regression in that
A)it is only a single step away from bivariate regression
B)only one independent variable is used at a time
C)it uses only one dependent variable
D)it is restricted to no more than 5 variables

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Multiple Choice

Q 9Q 9

An R-square of .20 means that
A)20% of the variance in the dependent variable has been explained by the set of independent variables
B)40% of the variance in the dependent variable has been explained by the set of independent variables
C)4% of the variance in the dependent variable has been explained by the set of independent variables
D)80% of the variance in the dependent variable has been explained by the set of independent variables

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Multiple Choice

Q 10Q 10

The basic difference between multivariate and bivariate analyses is that there are at least two dependent variables to interpret.

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True False

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True False

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True False

Q 13Q 13

A major reason for using statistics is to produce an objective set of findings on which to base policy.

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True False

Q 14Q 14

The name for partial regression comes from partitioning variance in the dependent variable by the effects of independent and control variables.

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True False

Q 15Q 15

The best way to find a total multiple correlation is to sum the individual bivariate correlations.

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True False

Q 16Q 16

Because of their serious data limitations,multiple and partial regression are seldom seen in the actual research literature.

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True False

Q 17Q 17

If three independent variables constitute a multiple R of .5,they are each positively related to the dependent variable.

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True False

Q 18Q 18

A bivariate correlation of .40 is larger than a multiple correlation of .40 because of the number of variables in the multiple correlation.

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True False

Q 19Q 19

Multivariate analyses,because of all of their assumptions,are less like the "real world" than bivariate analyses.

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True False