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
You might also like to view...
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.
Search engines are available for
a. dissertations. b. newspaper articles. c. book reviews. d. all of the above.
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).
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