Which of the following represents a null hypothesis regarding the differences between two groups learning biology content?
A) There are differences in a practicum exam between those who learn dissection in the actual lab and those who learn dissection by computer simulation.
B) There are no differences in a practicum exam between those who learn dissection in the actual lab and those who learn dissection by computer simulation.
C) Those students who learn dissection in the lab will perform better on the practicum exam than those who learn dissection via the computer simulation.
D) Those students who learn dissection via the computer simulation will perform better on the practicum exam than those who learn dissection in the lab.

Question

Quizplus · Accepted Answer

The null hypothesis always states that there are no significant differences between the groups being compared. Option B is the only one that represents a null hypothesis. Option A assumes that there are differences, option C assumes that the lab group performs better, and option D assumes that the computer simulation group performs better.

Which of the Following Represents a Null Hypothesis Regarding the Differences