Produce an SPSS output for an analysis of regression examining the impact of par
ID: 3158842 • Letter: P
Question
Produce an SPSS output for an analysis of regression examining the impact of participants’ years of Experience on their productivity.
a.) What are the null and alternative hypotheses?
b.) What is the effect size? Is it small, medium, or large?
Descriptive Statistics
Mean
Std. Deviation
N
ProdOne
38.18
6.586
40
Experience
16.03
7.995
40
Correlations
ProdOne
Experience
Pearson Correlation
ProdOne
1.000
-.116
Experience
-.116
1.000
Sig. (1-tailed)
ProdOne
.
.237
Experience
.237
.
N
ProdOne
40
40
Experience
40
40
Variables Entered/Removeda
Model
Variables Entered
Variables Removed
Method
1
Experienceb
.
Enter
a. Dependent Variable: ProdOne
b. All requested variables entered.
Descriptive Statistics
Mean
Std. Deviation
N
ProdOne
38.18
6.586
40
Experience
16.03
7.995
40
Explanation / Answer
A. The null and alternative hypotheses are:
Null: There is no significant correlation between variables ProdOne and Experience.
Alternative: There is significant correlation between variables ProdOne and Experience.
B. The effecr size = r² = (-0.116)² = 0.01
Since this value is less than 0.2, the effect size is small.
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