Given that field experiments are high in external validity, why is it that social psychologists still rely on laboratory studies?
a. Laboratory studies are more psychologically realistic.
b. Laboratory studies help to control for extraneous variables.
c. Laboratory studies permit random assignment of participants.
d. Laboratory studies are more reliable.
Question 2
According to your text, a perfect study would involve
a. random assignment; random selection; realistic setting; control of all extraneous variables.
b. random assignment or random selection; control over all extraneous variables.
c. high levels of external validity.
d. an experiment, which shows that one variable causes another.
(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
People using walkers typically have a high level of mobility impairment.
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Structures of the external eye
The monastery garden where Mendel carried out his experiments on plant genetics.