What technique is more commonly used today in order to evaluate age equivalent capabilities?
a. item response theory
b. factor analysis
c. mental age
d. predictive validity
The coefficient of determination is the
a. number of degrees of freedom.
b. difference between predicted and observed values of Y.
c. mean.
d. squared correlation coefficient.
The concept that older children have greater capabilities than younger children is referred to as
a. general mental ability.
b. intelligence.
c. Spearman's g.
d. the principle of age differentiation.
X and Y correlate .2 . What is the coefficient of determination of this relation?
a. 0
b. .04
c. .45
d. .75
The tasks that Binet used to differentiate between age groups could be completed by what percentage of the children in a particular age group?
a. at least 50
b. between 50 and 75
c. between 66.67 and 75
d. 100
X and Y correlate .5 . What is the coefficient of determination of this relation?
a. 0
b. .25
c. .50
d. .75
With the principle of age differentiation,
a. one can find the equivalent age capabilities of a child independently of chronological age.
b. one can find the equivalent age capabilities of a child if their chronological age is known.
c. the deviation IQ can be ascertained.
d. Binet freed himself from the burden of identifying each independent aspect of intelligence.
The formula Y - Y represents
a. the true score.
b. the residual.
c. the standard error of estimate.
d. shrinkage.
Binet's two major principles of test construction were
a. general mental ability and age differentiation.
b. reliability and validity.
c. norms and standardization.
d. age differentiation and age scale.
The difference between the predicted value of Y and the observed value is called the
a. standard deviation.
b. standard error of the mean.
c. residual.
d. factor score.