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In: Statistics and Probability

Q3. A study tested whether working Sudoku puzzles daily improved memory function in older adults. Memory...

Q3. A study tested whether working Sudoku puzzles daily improved memory function in older adults. Memory tests were performed before the study began, at 4 and 8 weeks. Using the information in the table below answering the following questions.

  1. State the null and alternate hypotheses.
  2. What is the total sample size?
  3. Identify the independent and dependent variables
  4. What is the test statistic value?
  5. What is the p value?
  6. What is your conclusion (assume α = .05)?
  7. What is the effect size?

Descriptive Statistics

Mean

Std. Deviation

N

Before

6.4078

1.19109

18

After 4 weeks

5.8417

1.12335

18

After 8 weeks

5.7789

1.10191

18

Tests of Within-Subjects Effects

Measure:   MEASURE_1  

Source

Type III Sum of Squares

df

Mean Square

F

Sig.

Partial Eta Squared

Time

4.320

2

2.160

212.321

.000

.926

Error(Time)

.346

34

.010

Solutions

Expert Solution

orchestra answered 2 years ago
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