Occupational Therapy Adult Perceptual Screening Test (OT-APST)

The Occupational Therapy Adult Perceptual Screening Test (OT-APST) Evaluation Summary
  What does the tool measure? Impairment in visual perception
  What types of clients can the tool be used for? Patients with stroke
  Is this a screening or assessment tool? Screening
Time to administer The OT-APST takes 20-25 minutes to administer.
  Versions There are no alternative versions of the OT-APST.
Other Languages The OT-APST has not been formally translated and validated into other languages.
Measurement Properties
  Reliability – Only 1 study has examined the internal consistency of the OT-APST and reported adequate to excellent levels of internal consistency.
– Only 1 study has examined the test-rest reliability of the OT-APST, and reported excellent test-retest.
– Only 1 study has examined the inter-rater reliability of the OT-APST and reported adequate to excellent inter-rater reliability.
– Only 1 study has examined the intra-rater reliability of the OT-APST and reported adequate to excellent intra-rater reliability.
  Validity

Criterion:
Concurrent: 
Poor to excellent correlations with the Loewenstein Occupational Therapy Cognitive Assessment (LOTCA) and the LOTCA-Geriatric version (LOTCA-G) have been reported. 

Construct:
Convergent:
Poor to excellent correlations were reported between each OT-ASPT subscale and the corresponding Loewenstein Occupational Therapy Cognitive Assessment (LOTCA) or LOTCA-Geriatric version (LOTCA-G) subscale. Adequate to excellent correlations were reported between the OT-APST and the LOTCA to patients under 70 years of age and between the OT-APST and on the LOTCA-G to patients over 70 years of age. Poor to adequate correlations were reported between OT-ASPT and the Functional Independence Measure (FIM).

Known groups:
OT-APST can differentiate between patients with stroke and healthy controls. 

  Floor/Ceiling Effects No studies have examined the floor or ceiling effects of the OT-APST.
  Does the tool detect change in patients? Not Applicable.
  Acceptability The OT-APST is not suitable for individuals:
– with severe auditory comprehension problems
– who are unable to use either hand for task completion,
– whose level of arousal/attentional capacity precludes participation for the necessary time required for task completion
– with receptive language problems

Alternative methods of test administration are provided for clients with expressive language problems.

Feasibility The OT-APST takes 20-25 minutes to complete and does not require any formal training. The measure is simple to score and all required materials and instructions for administration are provided in the assessment kit that can be purchased. The OT-APST is simple to score.
How to obtain the tool? The OT-APST Assessment Kit and forms can be purchased from OT Australia Qld by visiting the following website: http://www.otqld.org.au/docs/2008%20OT-APST%20order%20form.pdf or by visiting http://www.functionforlife.com.au/#research.