Author Question: A major difference between differential research and experimental research is A) the statistical ... (Read 124 times)

laurencescou · **on:** Aug 4, 2018

A major difference between differential research and experimental research is

A) the statistical tests employed on the data.
B) the way participants are assigned to the groups or conditions.
C) that, in experimental research, the assignment of participants is based on a preexisting variable.
D) that differential research is more difficult to get published.

Question 2

Once the constraint level has been determined,

A) the research is essentially completed.
B) any level of constraint can be used to complete the research.
C) the same constraint level must be used consistently throughout the research.
D) only the experimental or differential levels can then be used.