The 1908 Binet-Simon Scale
a. abandoned the principle of age differentiation.
b. used the age scale format.
c. relied largely on nonverbal tests of intelligence.
d. introduced the concept of gf-gc.
Which of the following is a mathematical index that describes the direction and magnitude of a relationship?
a. intercept
b. positive correlation
c. correlation coefficient
d. residual
Binet's rationale for providing only a single score was
a. the result of the principle of age differentiation.
b. based on the notion of general mental ability.
c. logically inconsistent with his major premise.
d. inappropriate for his purpose.
In a bivariate distribution, the relationship between X and Y
a. is best described by a straight line.
b. can sometimes be nonlinear.
c. is always systematic.
d. cannot be plotted in a scatter diagram.
In an age scale,
a. items are grouped according to difficulty.
b. items are grouped by content.
c. items are grouped according to age level.
d. items are grouped according to age level and content.
In order to examine the relationship between gender, hair color, and intelligence, you would use
a. the Pearson r.
b. multivariate analysis.
c. the phi coefficient.
d. the tetrachoric correlation.
Which scale used the now offensive and unacceptable terms idiot, imbecile, and moron?
a. the 1905 Binet-Simon Scale
b. the 1908 Binet-Simon Scale
c. the 1911 Binet-Simon Scale
d. the 1916 Stanford-Binet Scale
The primary purpose of a factor analysis is to
a. determine the relationship between variables.
b. reduce a larger set of variables to a smaller composite set.
c. insure that proper inferences are being made.
d. determine the degree of non-association between variables.
The 30 items in the Binet-Simon scale were arranged
a. according to type of task.
b. randomly to avoid ordering effects.
c. according to underlying ability tapped.
d. in an increasing order of difficulty.
A factor loading is
a. a residual.
b. the correlation between two principle components.
c. the correlation between an item and a factor.
d. the square root of a factor.
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