A threat to external validity that occurs when attitudes projected onto individuals cause them to act in a certain way is called the
A) Hawthorne effect.
B) placebo effect.
C) social desirability effect.
D) expectancy effect.
Question 2
A threat to internal validity that involves the increased in strength due motor unit recruitment (meaning the body increases strength due to more muscle fibers being recruited by the nervous system and not muscle mass gain) is considered
A) maturity.
B) testing.
C) instrumentation.
D) selection.
Feedforward events can be conditioned to external stimuli.
External Ear
The Tsunami Threat in Japan
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.
Individuals from highly divergent lines created by artificial selection
What is the frequency of individuals that are homozygous for this allele?