Why the study?
Are delta change scores more reliable and specific than residualized change scores for measuring cardiovascular reactivity to behavioral challenges?
Population
Two samples of 134 and 109 subjects observed during baseline and either two or four behavioral challenges
Comparison
Delta change score quantification method vs Residualized change score quantification method
Design
Other
Authors
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Delta scores may guide metric selection for task-generalizable reactivity research; leaves open validation against clinical cardiovascular outcomes.
Are delta change scores more reliable and specific than residualized change scores for measuring cardiovascular reactivity to behavioral challenges?
Delta and residualized change scores are both reliable for quantifying cardiovascular reactivity, but delta scores are preferred for assessing generalizability across different behavioral tasks.
Llabre et al. (1991) studied this question.
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