ERIC Number: EJ458938
Record Type: CIJE
Publication Date: 1993
Reference Count: 0
Threats to the Validity of Research.
Parker, Randall M.
Rehabilitation Counseling Bulletin, v36 n3 p130-38 Mar 1993
Notes that, when planning research, obvious strategy is to assess likely flaws and develop approaches to overcome them. Introduces set of concepts that researchers can use to evaluate quality of their designs. Presents 32 threats to validity organized according to 4 types of validity (internal, external, statistical conclusion, and construct validity) described by Cook, Campbell, and Peracchio (1990). (NB)
Publication Type: Journal Articles; Opinion Papers
Education Level: N/A
Authoring Institution: N/A