Professor Cole is discussing aggression as a dependent variable in his experiment. He says that aggression is the amount of time that a child holds a toy weapon. This best illustrates a(n):
a. operational definition of playing with a toy weapon.
b. confounding variable.
c. operational definition of aggression.
d. nominal level of measurement.
Question 2An advantage of using operational definitions is that:
a. they allow sampling to be done randomly.
b. they allow what Wallas described as inductive reasoning to occur.
c. these definitions associate hypotheses to objects and operations in the physical world.
d. they allow confounding variables to exist.
Question 3Operational definitions:
a. define concepts in terms of clearly observable, concrete operations that anyone can repeat.
b. define terms conceptually.
c. define events in terms of constructs.
d. all of these
Question 4How do scientists accurately communicate their private ideas about the world?
a. use operational definitions
b. ask their colleagues for assistance in writing research articles
c. engage in Wallas' four-stage model of creative problem-solving
d. use inductive and deductive reasoning
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