title: A short self-report measure of problems with executive function suitable for administration via the Internet.
abstract: This article describes a short self-report measure of problems with executive function designed for use in Internet-mediated research. In Study 1, participants completed the online measure (Webexec) using a browser but under laboratory conditions. They also completed a paper self-report measure of executive problems (the Dysexecutive Questionnaire; DEX) and three objective tasks involving executive function: reverse digit span, semantic fluency (unconstrained), and semantic fluency (constrained). Webexec scores correlated positively with the DEX and negatively with the three executive tasks. Further evidence of construct validity came from Study 2, in which Webexec scores correlated positively with both use of cannabis and prospective memory problems reported in an online drug questionnaire. Webexec thus appears suitable for online research with normal populations.
authors.affiliation: Department of Psychology, University of Westminster, 309 Regent Street, London W1B 2UW, England. buchant@wmin.ac.uk
authors.forename: Tom
authors.initials: T
authors.lastname: Buchanan
authors.forename: Thomas M
authors.initials: TM
authors.lastname: Heffernan
authors.forename: Andrew C
authors.initials: AC
authors.lastname: Parrott
authors.forename: Jonathan
authors.initials: J
authors.lastname: Ling
authors.forename: Jacqui
authors.initials: J
authors.lastname: Rodgers
authors.forename: Andrew B
authors.initials: AB
authors.lastname: Scholey
mesh_terms: D000293:Adolescent; D000328:Adult; D003071:Cognition / Q000502:physiology; D056344:Executive Function / Q000187:drug effects / Q000502:physiology*; D005260:Female; D006801:Humans; D020407:Internet; D008297:Male; D008568:Memory / Q000187:drug effects / Q000502:physiology; D008875:Middle Aged; D018817:N-Methyl-3,4-methylenedioxyamphetamine / Q000009:adverse effects; D009483:Neuropsychological Tests; D015203:Reproducibility of Results; D057566:Self Report; D018490:Serotonin Agents / Q000009:adverse effects; D019966:Substance-Related Disorders / Q000523:psychology; D011795:Surveys and Questionnaires; D014705:Verbal Behavior / Q000502:physiology; D055815:Young Adult
chemical_list: D018490:Serotonin Agents; D018817:N-Methyl-3,4-methylenedioxyamphetamine