|What does the tool measure?||Hemispatial neglect|
|What types of clients can the tool be used for?||Patients in the acute phase of stroke recovery.|
|What ICF domain is measured?||Impairment|
|Is this a screening or assessment tool?||Screening|
|Time to administer||Not specified.|
|Versions||There is one version of the SNAP.|
Intra-rater / inter-rater reliability:
Known groups validity:
|Floor/Ceiling Effects||No studies have reported on floor/ceiling effects among patients with stroke.|
|Sensitivity/ Specificity||One study reported 68% sensitivity and 76% specificity.
Two studies reported that the shape cancellation task was the most sensitive subtest; a third study reported that the line bisection task was the most sensitive subtest.
One study reported that the drawing/copying subtests showed highest specificity.
|Does the tool detect change in patients?||The tool does not detect or measure change but it can be used to monitor change in neglect over time.|
|Acceptability||The SNAP is simple to administer and can be used at the individual’s bedside.|
|Feasibility||The SNAP is portable, quick to administer and requires minimal equipment.|
|How to obtain the tool?||The SNAP administration and scoring manual and test booklet can be accessed here|
SNAP’s Evaluation Summary