The Keller Index of Nausea (KIN) - FOD Volksgezondheid ...

Results reliability Results validity
(S) Test-retest reliability:
Subjects were instructed to remember a
vividly remembered painful experience.
Two weeks later, the subjects had to
recall the same pain experience and rate
it again with the FPS. The correlation
coefficient was 0.79 for 6 year old
children. Even when the rater varied, a
high rank correlation coefficient was
obtained (r = 0.82).
Children were also asked to reconstruct
a presented order of the set of faces
either immediately or after a delay. The
percentages of reconstructions were 50
(immediate) and 77.5 (delayed). When
the faces were presented in random
order, the correct recall of the presented
order was achieved in 15.8%
(immediate) and 0% (delayed) of the
cases.
(FV) Face validity:
Children were asked to the meaning of the faces. Clear statements of pain,
hurt, ache, being sick, and of emotional pain such as from teasing were made
by 92 children (57.9%). Forty-one (25.8%) gave other interpretations such as
sadness, anger, boredom, crying for no reason. Sixteen children (10.1%) did
not know what the faces showed and 10 (6.3%) could not be asked because of
time limitations.
Commentary
Children rank-ordered the
faces. All 7 faces were correctly
ranked by 64% of grade 1
children and by 86% of grade 3
children.
When the faces were presented
inn all possible paired
combinations, 62% of the
younger and 75% of the older
subjects placed all 7 faces
correctly.
Reliability: Stability (S), Internal consistency (IC), Equivalence (E)
Validity: Face validity (FV), Content validity (CtV), Criterion validity (CrV), Construct validity (CsV)
Sensitivity (Sen), Specificity (Sp), Positive Predictive Value (PPV), Negative Predictive Value (NPV), Receiver Operating Curve (ROC), Likelihood
Ratio (LR), Odds Ratio (OR)
208