title: Time-interval measurement of stuttering: systematic replication of Ingham, Cordes, and Gow (1993).
abstract: The study reported in this paper was designed to replicate and extend the results of an earlier study (Ingham, Cordes, & Gow, 1993) that investigated time-interval judgments of stuttering. Results confirmed earlier findings that interjudge agreement is higher for these interval-recording tasks than has been previously reported for event-based analyses of stuttering judgments or for time-interval analyses of event judgments. Results also confirmed an earlier finding that judges with intrajudge agreement levels of 90% or better show higher interjudge agreement than judges with lower intrajudge agreement scores. This study failed to find differences between audiovisual and audio-only judgment conditions; between relatively experienced and relatively inexperienced student judges; and, most importantly, between the judgments made, and the agreement levels achieved, by judges from two different clinical research settings. The implications of these findings for attempts to develop a reliable measurement method for stuttering are discussed.
authors.affiliation: University of California, Santa Barbara.
authors.forename: R J
authors.initials: RJ
authors.lastname: Ingham
authors.forename: A K
authors.initials: AK
authors.lastname: Cordes
authors.forename: P
authors.initials: P
authors.lastname: Finn
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007600:Judgment; D008297:Male; D008875:Middle Aged; D015203:Reproducibility of Results; D013067:Speech Perception; D013068:Speech Production Measurement; D013342:Stuttering; D013997:Time Factors