Question

A study investigated the effect of nursing intervention on maternal attachment in mothers separated from their newborn infants for at least 24 hours after birth. The table below shows the maternal attachment scores before and after the nursing intervention for 10 mothers who were separated after delivery from their newborn infants. Do the data provide evidence that the intervention was effective in increasing maternal attachment?

Patient ID	Before Intervention	After Intervention	Difference (After-Before)
1	23	25
2	10	23
3	9	19
4	6	17
5	13	23
6	12	23
7	12	23
8	7	17
9	8	19
10	10	12

1. Complete the data table by filling in the last column.
   

2. Select the appropriate non-parametric test for data analysis and show the steps of hypothesis testing (α = 0.05).
   

Step 1: State hypotheses




Step 2: Select the appropriate test statistic




Step 3: Set up the decision rule




Step 4: Compute the test statistic




Step 5: Write your conclusion

Answer 1

Let us denote the difference

d = Before Intervention - After Intervention

There is sufficient evidence to support the claim that the intervention was effective in increasing maternal attachment.