A way to be sure that an observed relationship between an independent variable and a dependent variable does indeed exist is by
a. selecting which individual subjects are to be included in the study.
b. identifying other possible variables.
c. the creation of a control group.
d. surveying the subjects of the study.
C
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Bar graphs show the values for levels of a variable or response categories as portions of a circle.
Answer the following statement true (T) or false (F)
The inflection point in the normal curve is _____________ from the mean
a. less one standard deviation b. two standard deviations c. three standard deviations d. one standard deviation
Piaget did not believe in stages, but viewed development as a smooth continuum
Indicate whether the statement is true or false
In order to specify the ways in which traits are to be combined to predict any performance, Cattell developed the:
a. Trait Interaction Equation b. Specification Equation c. Trait Prediction Scale d. Trait Assessment Questionnaire