A researcher sampled 16 couples and measured the mean difference in their marital satisfaction.Each couple was paired and the differences in their ratings (on a 7-point scale)were taken.If the mean difference in satisfaction ratings for this sample was 1.8±2.0 ( ),then what is the decision at a .05 level of significance?
A)Satisfaction ratings do not significantly differ,t(14)= 0.90.
B)Satisfaction ratings do not significantly differ,t(15)= 0.90.
C)Satisfaction ratings significantly differ,t(14)= 3.60.
D)Satisfaction ratings significantly differ,t(15)= 3.60.

Question

A researcher sampled 16 couples and measured the mean difference in their marital satisfaction.Each couple was paired and the differences in their ratings (on a 7-point scale)were taken.If the mean difference in satisfaction ratings for this sample was 1.8±2.0 (  ),then what is the decision at a .05 level of significance?
A)Satisfaction ratings do not significantly differ,t(14)= 0.90. 
B)Satisfaction ratings do not significantly differ,t(15)= 0.90. 
C)Satisfaction ratings significantly differ,t(14)= 3.60. 
D)Satisfaction ratings significantly differ,t(15)= 3.60.

Quizplus · Accepted Answer

The Answer of A researcher sampled 16 couples and measured the mean difference in their marital satisfaction.Each couple was paired and the differences in their ratings (on a 7-point scale)were taken.If the mean difference in satisfaction ratings for this sample was 1.8±2.0 (  ),then what is the decision at a .05 level of significance?
A)Satisfaction ratings do not significantly differ,t(14)= 0.90. 
B)Satisfaction ratings do not significantly differ,t(15)= 0.90. 
C)Satisfaction ratings significantly differ,t(14)= 3.60. 
D)Satisfaction ratings significantly differ,t(15)= 3.60.

A Researcher Sampled 16 Couples and Measured the Mean Difference