Which of the following is a leading cause of death in elderly people?
a) Heart disease
b) Arthritis
c) Alzheimer's disease
d) Depression
Answer: a
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Describe the biological, behavioral and social factors involved in the sleep/wake shift for adolescents
Fill in the blank with correct word.
Select the data for which an ANOVA would be the most appropriate statistic.
A. testing the effects of different nutrition programs on rat length, weight, and number of illnesses B. testing the connection between grades and studying C. testing whether a running program results in faster or slower running times D. testing to see whether accidents decrease as social media usage decreases
To be admitted to graduate studies in business administration Christine is required to take the Graduate Management Aptitude Test (GMAT). She is told that the school will only admit students who score in the top 33% on the GMAT, because those students are the ones most likely to be successful in their graduate studies. In this case, the business administration admissions office has indicated that
the GMAT has: a. good predictive validity b. high content validity c. high reliability d. poor standardization
When changes in one variable are usually accompanied by changes in the same direction in another variable, the variables are said to be:
a. correlated. b. causally related. c. regressing toward the mean. d. genetically determined.