How does factorial analysis of variance differ from simple analysis of variance?
a) It is used to compare the variance in two group means.
b) It compares two or more groups on two independent variables.
c) It compares two or more groups on one independent variable.
d) It tests only one null hypothesis.
b
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A) their visual problem itself. B) their listening skills. C) emphasis on using braille forms of achievement tests. D) lack of exposure to braille or low expectations.
Which of the following concepts is most closely related to control in research?
A) generalization B) external validity C) internal validity D) reliability
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What will be an ideal response?