A business analyst in a software design company reviewed a series of national surveys of user satisfaction (rated on a ten-point satisfaction scale) with a new gaming interface the company had recently launched. She found that the survey mean was 8. However, her standard error was high (89.5), how should she interpret her results?
A. The sample mean is representative of the population mean
B. The sample mean might not be representative of the population mean
C. The sample mean has a low standard deviation
D. The sample has a high standard deviation
Answer: B
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Lining up sticks from shortest to tallest is an example of ____________________
Fill in the blank(s) with the appropriate word(s).
Standardized tests are a disputed form of assessment because there are many concerns about the reasons tests are administered and the limitations inherent in using tests with young children
a. True b. False
Robin screams and stomps her feet when she is asked to stop doing an activity and transition to another activity. Robin probably has a temperament profile characterized by:
a. A high level of reactivity and a high level of adaptability. b. A high level of reactivity and a low level of adaptability. c. A low level of reactivity and a high level of adaptability. d. A low level of reactivity and a low level of adaptability.
The school district of Wattville, Delaware, is considering using the Colorado Achievement Test (CAT) this year. This test must be administered by a school psychologist to each student individually, with each student's testing time being about two hours. Without knowing anything else about the CAT, the Wattville school district should probably question the test's:
a. practicality. b. content validity. c. predictive validity. d. reliability.