The answer is D. Just go and look up the definition on google and it will give you your answer.
Answer:
Explanation:
The state officially categorizes its population into six groups: white, African American, Native American/Alaskan Native, Pacific Islander, Asian, and Native Hawaiian. From those groups, Americans identity with ethnic groups that are even more specific.Jul 18, 2019
Stromatolites are the most common precambrian fossil
Answer:a. Most manipulations are straightforward. False.
b. Staged manipulations are designed to get participants involved in the situation and to make them think that it is a real experience. True
c. A staged experiment may be difficult to replicate by other researchers. True.
d. Straightforward manipulations are often difficult to interpret. False
Explanation:straightforward manipulation
manipulate variables with instructions and stimulus presentations.(verbal, written, video, computer)
staged manipulation
staged events that occur during the experiment in order to manipulate the independent variable successfully.