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Personality Psych Ch 6
Source: Perspectives on Personality 6th Ed. Charles S. Carver & Michael F. Scheier
32
Psychology
Undergraduate 2
10/10/2010

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Term
activity level
Definition
The overall output of a person's energy or behavior.
Term
adoption study
Definition
A study of resemblances between children and their adoptive and biological parents.
Term
allele
Definition
Some version of a particular gene.
Term
assortative mating
Definition
Mating based on choice of specific characteristics rather than random.
Term
behavioral genetics
Definition
The study of inheritance of behavioral qualities.
Term
cerebrotonia
Definition
A mental overintensity that promotes apprehensiveness and social inhibition.
Term
concordance
Definition
Agreement on some characteristic between a twin and a co-twin.
Term
directional selection
Definition
Evolution in which one extreme of a dimension is more adaptive than the other.
Term
dizygotic (DZ) twins
Definition
Fraternal twins (overlapping genetically 50% on average).
Term
ectomorphy
Definition
A tendency toward frail thinness.
Term
effortful control
Definition
A tendency to be focused, restrained, and planful.
Term
emotionality
Definition
The tendency to become emotionally aroused easily.
Term
endomorphy
Definition
A tendency toward obesity.
Term
ethology
Definition
The study of animals in their natural environment.
Term
genetic similarity theory
Definition
The idea that people work toward reproducing genes similar to their own.
Term
genome
Definition
The sequence of the genes contained in the full complement of chromosomes.
Term
genotype
Definition
The particular version of a gene that a given person or group has.
Term
heritability
Definition
An estimate of how much variance of some characteristic is accounted for by inheritance.
Term
inclusive fitness
Definition
The passing on of genes through the survival of relatives.
Term
mesomorphy
Definition
A tendency toward muscularity.
Term
molecular genetics
Definition
The study of how alleles of specific genes relate to other observed differences.
Term
monozygotic (MZ) twins
Definition
Identical twins (overlapping genetically 100%).
Term
polymorphism
Definition
The characteristic of having more than one allele for a given gene.
Term
reciprocal altruism
Definition
Helping others with the expectation the help will be returned.
Term
siblings
Definition
Brothers and sisters.
Term
sociability
Definition
The tendency to prefer being with people over being alone.
Term
sociobiology
Definition
The study of the evolutionary basis for social behavior.
Term
somatotype
Definition
The description of a person's body configuration along three dimensions.
Term
stabilizing selection
Definition
Evolution in which intermediate values of a dimension are most adaptive.
Term
temperaments
Definition
Inherited traits that appear early in life.
Term
twin study
Definition
A study comparing similarity between MZ twins against similarity between DZ twins.
Term
viscerotonia
Definition
A relaxed sociability and love of comfort.
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