One Hypothesis for Why Faces with Normal Features Are Rated

question 193

Multiple Choice

One hypothesis for why faces with normal features are rated as attractive is that normal means healthy. The research finding that presents the greatest challenge to this hypothesis is the finding that

• A) even infants prefer to look at faces judged attractive by adults.
• B) judgments of facial attractiveness are similar across cultures.
• C) ratings of attractiveness did not correlate reliably with health.
• D) people do not agree on which faces are attractive.

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Definitions:

Bicarbonate Ions

Ions that act as a buffer in bodily fluids to maintain pH balance and are involved in the carbon dioxide transport and delivery system.

Carbonic Acid

A weak acid formed in solution when carbon dioxide is dissolved in water, playing a significant role in the carbon cycle and respiratory gas exchange.

Hypercapnia

Higher than normal levels of carbon dioxide in the blood or tissues.

Acidic

A term describing a substance with a pH less than 7, which is characteristic of having a higher concentration of hydrogen ions.