title: Using slopes to measure directional change.
authors.affiliation: Department of Educational Leadership, University of Arkansas, Little Rock.
authors.forename: W N
authors.initials: WN
authors.lastname: Suter
authors.forename: D
authors.initials: D
authors.lastname: Wilson
authors.forename: A
authors.initials: A
authors.lastname: Naqvi
mesh_terms: D006801:Humans; D015399:Nursing Research / Q000379:methods*; D013223:Statistics as Topic