Suppose a researcher exposes participants to one of the following three scenarios: for a 20-minute period, they hear either classical music, rock music, or no music. Afterwards, the researcher measures the general mood of the participants.
The three scenarios refer to the ________ of the ________ variable.
A) measures; dependent
B) levels; dependent
C) conditions; experimenter
D) cause; independent
E) levels; independent
Question 2
A causal relationship means that ________.
A) it is virtually impossible to determine the cause of either variable
B) a decrease in one variable is related to an increase in another variable
C) an increase in one variable is related to a decrease in another variable
D) an increase in one variable is related to an increase in another variable
E) changes in one variable causes changes in another variable
Several scenarios for what led to the origin of habitual bipedalism.
IPCC economic scenarios
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