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Steinglass admits what we all, instinctively, know - there's a score ceiling, and all the prep in the world is not going to turn a 500-math-score brain into an 800-math-score brain, no matter how hard or how often that brain works problems.
One patient reported best possible score (ceiling effect) preoperatively in the subscale Symptoms.
The maximum possible score (ceiling effect) was common with the HUI but was not seen with the CHQ summary scores.
No study patients obtained the minimum PSO-LIFE score (floor effect) and only 3.2% obtained the maximum score (ceiling effect).
ESRD-SCL and SF-36 scores are shown in Table 2, including the percentage of respondents giving lowest (floor) and highest possible score (ceiling).
None of the participants obtained a total score of 0 on the scale (floor effect), and only 2.3% of subjects obtained the maximum score (ceiling effect).
Similar(44)
New generic TQOLITv1 scales designed to increase the range of reliable measurement and raise score ceilings for generic QOL measures were recently evaluated favorably [ 37].
Score distributions include floor and ceiling effects; although, for job satisfaction scores, ceiling effects are usually of most interest.
The sensitivity of the W-BQ12 was affected by initial high scores (ceiling effect) and a shorter timescale but was acceptable and is suitable for repeated administration.
Mean, standard deviations, score range, and percentage of patients with the worst possible (floor effect) and best possible theoretical scores (ceiling effect) were calculated in order to examine the score distribution.
The prevalence of patients with best possible scores (ceiling effects) was also higher for the NHP scale (range 28.9-73.5%) than for the SF-36 score (range 1.2-24.1%).
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com