Qualitative research validating facial expression


14-Jul-2017 03:01

Twenty-one interviews were completed (Set 1: 5 patients, 6 caregivers; Set 2: 6 patients, 4 caregivers) in 6 US cities.Mean age was 43 years for patients and 9 years for children of caregivers.Cultural interactions result in both progressive and aggressive interactions due to the evolution of those cultures being uninfluenced by one another.What may be considered good etiquette in one culture may be considered an offensive gesture in another.A cline is a genetic variation between populations of species that are isolated in their reproduction (such as skin color variation in humans).Human skin color variation is a selective adaptation that relates to the populations' proximity to the equator.

Each subject was required to identify the facial expression in a four-alternative, forced-choice paradigm.It also relies on differential reproduction, the idea that the environment can't support unlimited population growth because not all individuals get to reproduce to their full potential.



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