QUANTITATIVE MEASUREMENT

Question 1

Levels of MEASUREMENT ( N.O.I.R )

Answer 1

1. Nominal
2. Ordinal
3. Interval
4. Ratio

Question 2

“Lowest “measurement
● Data can be organized into categories but CANNOT BE RANKED

Answer 2

Nominal

Question 3

Medical Diagnosis, Gender, Age group, place of residence

Answer 3

Nominal

Question 4

Variables are categorized in a specific ORDER OR RANK ( pain scale )

Answer 4

ORDINAL

Question 5

Intervals between values are meaningful and consistent “NO TRUE ZERO”

Answer 5

Interval

Question 6

There is a TRUE ZERO POINT

0kg means no weight
0cm means no height

Answer 6

RATIO

Question 7

Refers to the “CONSISTENCY” of a measurement tool.

Answer 7

RELIABILITY

Question 8

Refers how well a test measures what it is intended to measure. A VALID TOOL GIVES ACCURATE RESULTS.

Answer 8

VALIDITY

Question 9

Its about the test’ “appearance” rather than rigourous testing

Answer 9

FACE VALIDITY

Question 10

Refers to whether a measurement covers “all relevant aspects” of the concept being measured.

Answer 10

CONTENT VALIDITY

Question 11

Examines whether a test “ACCURATELY MEASURES” the theoretical concept it claims to measure.

Answer 11

CONSTRUCT

Question 12

Assesses whether a measurement is CORRELATED WITH A RELEVANT EXTERNAL STANDARD OR OUTCOME

Answer 12

CRITERION VALIDITY