moderate impairment), while dependent variables included the levels of measured performance on the test. Operationalization involved demonstrating the ability to perform the tasks of daily life. Simple cooking was tested by asking the test subject to cook oatmeal; using a telephone was tested by requiring the subject to inquire about grocery delivery on the phone; and the test subject was required to select and administer medications correctly and select and pay bills from a pile of mail.

Q5. Define reliability. Discuss the means by which the reliability of the instrument/measure was assessed in this study.

Reliability is defined as reproducibility, or the ability of a test to yield reliable or similar results with similar target population groups and under the same circumstances. "We determined interrater reliability with three trained raters who simultaneously rated 10 participants, 5 with mild stroke and 5 healthy controls. The total score and each of four...
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