title: Impact of item clustering on interactive spaced education.
authors.affiliation: Harvard Medical International, Boston, Massachusetts 02120, USA. price.kerfoot@gmail.com
authors.forename: B
authors.initials: B
authors.lastname: Price Kerfoot
authors.forename: Elizabeth G
authors.initials: EG
authors.lastname: Armstrong
authors.forename: Patricia N
authors.initials: PN
authors.lastname: O'Sullivan
mesh_terms: D015331:Cohort Studies; D003194:Computer-Assisted Instruction / Q000379:methods / Q000639:trends; D020375:Education, Distance / Q000379:methods* / Q000639:trends; D004501:Education, Medical / Q000379:methods* / Q000639:trends; D004521:Educational Measurement / Q000379:methods*; D006801:Humans; D020407:Internet