title: Abstract: A General Method to Derive Covariances between Parameter Estimates in Mediation Models.
authors.affiliation: a Arizona State University.
authors.forename: Davood
authors.initials: D
authors.lastname: Tofighi
authors.affiliation: a Arizona State University.
authors.forename: David P
authors.initials: DP
authors.lastname: MacKinnon
authors.affiliation: a Arizona State University.
authors.forename: Stephen G
authors.initials: SG
authors.lastname: West