What makes nonexperimental research correlational is that it
a. computes a correlation between two variables
b. requires a scattergram of two variables for interpretation
c. determines a cause-effect relationship between two variables
d. does not manipulate an independent variable
d
Psychology
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What percentage of babies did Thomas and Chess find met their definition of "difficult" babies?
a. 10% b. 30% c. 50% d. 70%
Psychology
The reaction that transduces light into an electrical signal in rods is the
A) bleaching of rhodopsin by light. B) elicitation of action potentials in rods. C) turning red of rhodopsin. D) inhibition of action potentials in rods. E) elicitation of action potentials in cones.
Psychology