The main threat(s) to the validity of direct observation is (are)

a. observer effect.
b. observer bias.
c. instrumentation.
d. a and b
e. a and c


D

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While the Census Bureau does not report health data specifically for 10-15 year olds, typical acute health conditions for children age 5 to 17 years include:

a. digestive system problems and injuries. b. lung cancer. c. mental disabilities. d. tuberculosis.

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Search engines are available for

a. dissertations. b. newspaper articles. c. book reviews. d. all of the above.

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Describe at least three questions that should be answered in an ongoing assessment process to determine the preferred assistive technology.

Fill in the blank(s) with the appropriate word(s).

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In the study of logic, the term “argument” does not refer to:

a. ?A heated disagreement between two or more people b. ?A series of assertions c. An opportunity to use inductive reasoning? d. ?An opportunity to use deductive reasoning

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