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These results provide empirical evidence for the validity of the summary test.
Reliability and validity of the summary index score was assessed.
The instrument must then be subjected to extensive field testing to ensure reliability of items and validity of the summary measures that are based on the items.
Recent evidence suggests that the different scoring approaches will affect the validity of the summary scores, as represented by the RAND-12 and SF-12 [ 29, 30].
Such high degree of heterogeneity can be seen as a reason enough to question the validity of the summary effect measures which might reflect an over-simplification of the truth.
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To assess the validity of the summaries we transcribed the recordings of five interviews.
Briefly mention the authority of those performing the research to lend validity to the summary and the article.
In a subsequent Greek study, the validity of the Physical Component Summary (PCS) and Mental Component Summary (MCS) scores was also established [ 23].
To assess the face validity of the alternative peak summaries, we assumed that learning could be described by formal learning theory.
The external discriminant validity of the PedsQL™3.0 Diabetes Module summary measures were compared across gender, age, time since diagnosis and HbA1c mean cut off values.
The validity of the SF 36 subscales and summary scores have been extensively tested in relationship to clinical indicators such as the presence or absence of diseases, the severity of diseases within a particular category, and the changes in disease related symptoms over time [ 28- 31].
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com