The only time a difference between two sample means may be called
"significant" is when
a. they are at least 10 points apart
b. they differ by at least .05 points
c. the first mean is larger than the second mean
d. the null hypothesis has been rejected
d
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Z-scores communicate a score's
a. absolute magnitude. c. distance from the population mean. b. relative standing in a distribution. d. variability.
Which of the following would be considered a test of "fluid" abilities?
a. vocabulary b. response speed c. social skills d. reading comprehension
Which among the following has contributed to the rising cases of Alzheimer’s disease and Parkinson’s disease?
A. Technology B. Environmental toxins C. Lack of mental exercise D. People are living longer
Thinking that pertains to concepts and processes and that cannot be experienced directly through the senses is referred to as __________.
A. abstract thinking B. concrete thinking C. complexity thinking D. dimensional thinking