ERIC Number: EJ448304
Record Type: CIJE
Publication Date: 1992
Reference Count: 0
Graphical Description of Interaction Outcomes for Regressions with Groups.
Schafer, William D.
Measurement and Evaluation in Counseling and Development, v25 n2 p50-52 Jul 1992
Notes that presence of heterogeneous regression slopes in an analysis of covariance design is equivalent to presence of interaction in randomized-blocks design. Describes modification of the usual graphical representation of heterogeneous regressions that can aid in interpreting significant regions for regression surfaces. (NB)
Publication Type: Journal Articles; Opinion Papers
Education Level: N/A
Authoring Institution: N/A