The COTA has been assigned to perform a standardized assessment.  However, he thinks that it may not be valid because of cultural relevancy.  He should (choose 3) 

Which of the following are potentially the OT departments part of the MDS (Minimum Data Set) 3.0 in Skilled Nursing Facilities (SNF)?  (choose 2)

The Bell Curve is also known as a Gaussian Curve.

This type of study combines the findings from many smaller studies to determine the overarching results.

When assessing patient/resident performance on Section GG items, the use of assistive devices does not affect scoring of the activity.

According to the Centers for Medicare and Medicaid the COTA may identify himself as a

Hand hygiene is not affected by long fingernails or use of artificial nails.

Client wristbands with chips or barcodes

An assessment which measures self-care skills was normed in the 1990s.  The norming of items included reading an analog clock and making a phone call with a land telephone.  Is this assessment valid for an 40-year-old client who sustained a CVA?

Which represents the highest level of evidence?