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Subject of the scale: Impairment: spasticity

Penn Spasm Frequency Scale

 

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Description:

This scale was developed at the end of the 1980s as a self-reported questionnaire following spinal cord injury.

The patient evaluates his/her "spasms", quantifying them according to 5 classifications (from 0 to 4).

For ratings of 1 or greater, the severity of the spasms is also be evaluated, using a 3 level scale (mild, moderate or severe).

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Psychometric properties:

Criteria

Psychometric properties

References

Validity

Face validity

 

Content validity

 

Criterion validity

Concurrent validity

[2]

Predictive validity

[2]

Construct validity

Convergent validity

[3] [4] [5]

Divergent validity

 

Discriminant validity
(sensitivity and distinctiveness)

[3] [4] [5]

Reliability

Intra-rater reliability

 

Inter-rater reliability

 

Test-retest

[4]

Internal consistency (alpha)

[4]

Responsiveness

 

General comment on reliability:

The scale has been evaluated in all languages since language does not affect its use.

Reference update:

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More information:

For more details of the scale, the comments or the psychometric properties presented here, please contact Dr. François GENET : francois.genet@rpc.aphp.fr

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