The reason for controlling extraneous variables in experimental research is to

a) Increase the reliability of the instruments
b) Reduce the number of threats to external validity
c) Provide the greatest amount of power for inferential statistics
d) Increase the internal validity of the study


D

Education

You might also like to view...

It is important to do all three editing tasks for each lesson and activity

Indicate whether the statement is true or false.

Education

Which of the following definitions describes an audit trail?

a. A visual representation of your conceptual framework b. A summary of your literature review c. A reference list d. A paper-based or electronic account of your analytical decisions in your research

Education

An ____________________ is a strong belief or feeling toward people, things, and situations

Fill in the blank(s) with correct word

Education

Severe difficulty in handwriting is called

a. dysgraphia. b. dyscalculia. c. alexia. d. dyslexia. e. aphasia.

Education