Dr Brown conducts an experiment to examine the effects of mentorship programmes on children's academic achievement.She finds that children who are given mentors receive significantly higher marks than children who are not.The result is statistically significant at the .05 level.What does this mean?
A)The finding probably occurred by chance; mentorship programmes probably DO NOT really improve academic achievement.
B)The finding probably did NOT occur by chance; mentorship programmes probably DO boost academic achievement.
C)The finding was larger than expected; mentorship programmes appear to be even more effective than Dr Brown suspected.
D)The finding was smaller than expected; mentorship programmes appear to be less effective than Dr Brown suspected.

Question

Quizplus · Accepted Answer

A statistically significant result at the .05 level means that there is only a 5% chance that the result occurred by chance. This suggests that there is strong evidence to support the hypothesis that mentorship programmes do boost academic achievement.

Dr Brown Conducts an Experiment to Examine the Effects of Mentorship