1) A researcher who works for a national retail chain is interested in changes in employee satisfaction during the holiday season. The table below contains employee satisfaction scores taken at two time points (August 1st and December 1st) from a sample of 12 employees. Higher scores indicate more satisfaction. Conduct a hypothesis test to determine if there is an increase or decrease in employee satisfaction from Time 1 to Time 2. Use alpha .05. Employee Number Time 1 Satisfaction Time 2 Satisfaction10012 8.5 6.510057 6.8 410089 6.5 410126 4.2 5.710023 7 610045 6 310094 7 6.510087 3 310145 4.5 3.510023 9 8.510062 8.5 410078 4 2.5 a. State the null alternative hypothesis.b. Conduct the hypothesis test.c. State your findings.d. Report an effect size measure. Please use the formula that we used in class 2) A study was conducted to see how goal-setting setting can affect satisfaction with life. The students were randomly assigned to complete a satisfaction with life measure either after listing either 3 ambitious long-term goals or three realistic long-term goals. Conduct a hypothesis test to see if there is a difference between the two conditions. Use alpha .05.Ambitious Long-Term Goals Condition Realistic Long-Term Goals Condition a. State the null and alternative hypothesis.b. Conduct the hypothesis test.c. State your findings.d. Report an effect size measure
1) A researcher who works for a national retail chain is interested in changes in employee satisfaction during the holiday season. The table below contains employee satisfaction scores taken at two time points (August 1st and December 1st) from a sample of 12 employees. Higher scores indicate more satisfaction. Conduct a hypothesis test to determine if there is an increase or decrease in employee satisfaction from Time 1 to Time 2. Use alpha .05.
Employee Number Time 1 Satisfaction Time 2 Satisfaction
10012 8.5 6.5
10057 6.8 4
10089 6.5 4
10126 4.2 5.7
10023 7 6
10045 6 3
10094 7 6.5
10087 3 3
10145 4.5 3.5
10023 9 8.5
10062 8.5 4
10078 4 2.5
a. State the null alternative hypothesis.
b. Conduct the hypothesis test.
c. State your findings.
d. Report an effect size measure. Please use the formula that we used in class
2) A study was conducted to see how goal-setting setting can affect satisfaction with life. The students were randomly assigned to complete a satisfaction with life measure either after listing either 3 ambitious long-term goals or three realistic long-term goals. Conduct a hypothesis test to see if there is a difference between the two conditions. Use alpha .05.
Ambitious Long-Term Goals Condition Realistic Long-Term Goals Condition
a. State the null and alternative hypothesis.
b. Conduct the hypothesis test.
c. State your findings.
d. Report an effect size measure
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