When a factorial design is described by names such as "2 X 2" or "2 X 3X 2," the number of numerals mentioned indicates the number of _____
a. cells c. dependent variables
b. independent variables d. interactions
B
The number of numerals indicates the number of independent variables.
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Particular aspects of working memory decline with age, beginning in young adulthood
Indicate whether the statement is true or false.
Errol's father carries two recessive genes for sickle-cell anemia, and Errol's mother carries two normal dominant genes. Therefore, Errol has inherited _______________ from his parents
a. anemia b. A resistance to malaria c. Sickle-cell anemia d. Huntington's chorea
Routine vaccination in infancy and childhood has made new __________ outbreaks unlikely in industrialized nations
A) rubella B) HIV C) malaria D) toxoplasmosis
When graphing frequency distributions, ________ are most commonly used to depict simple descriptions of categories for a single variable.
A. histograms B. pie charts C. bar graphs D. frequency polygons