title: Criterion validity of the Occupational Therapy Adult Perceptual Screening Test (OT-APST).
abstract: This paper reports on the criterion validity of the Occupational Therapy Adult Perceptual Screening Test (OT-APST) including concurrent criterion validity and its sensitivity and specificity. The performance of 208 people following stroke on the OT-APST and a reference tool (either the Loewenstein Occupational Therapy Cognitive Assessment (LOTCA) or the LOTCA--Geriatric version (LOTCA-G)) was compared. The OT-APST subscale scores and performance outcome (intact or impaired) on related subscales of the reference tool was analyzed to evaluate the concurrent criterion validity of the OT-APST and its sensitivity and specificity at selected cut-off scores. Significant correlations were found between participants' performance (intact or impaired) on the reference tool and scores on the OT-APST. The sensitivity and specificity of the OT-APST were analyzed at selected cut-off scores to explore the validity of decisions based on OT-APST performance when compared with the reference tool. This study shows that the OT-APST is a tool with demonstrated concurrent criterion validity for the assessment of visual perception.
authors.affiliation: Division of Occupational Therapy, School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, Australia. deecooke@powerup.com.au
authors.forename: Deirdre M
authors.initials: DM
authors.lastname: Cooke
authors.forename: Kryss
authors.initials: K
authors.lastname: McKenna
authors.forename: Jennifer
authors.initials: J
authors.lastname: Fleming
authors.forename: Ross
authors.initials: R
authors.lastname: Darnell
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001072:Apraxias / Q000175:diagnosis* / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D009788:Occupational Therapy; D010468:Perceptual Disorders / Q000175:diagnosis* / Q000209:etiology; D011594:Psychometrics; D011793:Queensland; D012372:ROC Curve; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D020521:Stroke / Q000150:complications; D014796:Visual Perception