Use SPSS for this Application Exercise:
A clinician working a in nursing home believes that personal
control is associated with feelings of well-being. In a field
experiment, residents on one floor of the nursing home were given
opportunities for personal control in their lives; e.g., arrange
their own furniture, decide how to spend free time, choose and take
care of a plant, etc. In another floor, residents were treated as
usual. After 40 days the residents are asked to fill out a feelings
of well-being survey where higher scores indicate more well-being.
What can be concluded with α = 0.10? The data are
below.
personal control | no personal control |
13 12 11 10 11 10 11 11 13 11 |
12 12 12 15 17 14 13 11 13 13 |
a) What is the appropriate test statistic?
---Select--- na z-test One-Sample t-test Independent-Samples t-test
Related-Samples t-test
b)
Condition 1:
---Select--- personal control nursing home well-being field
experiment no personal control
Condition 2:
---Select--- personal control nursing home well-being field
experiment no personal control
c) Input the appropriate value(s) to make a
decision about H0.
(Hint: Make sure to write down the null and alternative hypotheses
to help solve the problem.)
p-value = ; Decision: ---Select---
Reject H0 Fail to reject H0
d) Using the SPSS results,
compute the corresponding effect size(s) and indicate
magnitude(s).
If not appropriate, input and/or select "na" below.
d = ; ---Select--- na trivial
effect small effect medium effect large effect
r2 = ; ---Select--- na
trivial effect small effect medium effect large effect
e) Make an interpretation based on the
results.
Residents with personal control showed significantly more feelings of well-being than those with no personal control.
Residents with no personal control showed significantly more feelings of well-being than those with personal control.
There is no significant well-being difference between residents with personal control and no personal control.
a) What is the appropriate test
statistic?
Independent-Samples t-test
b)
Condition 1:
personal control
Condition 2:
no personal control
c) Input the appropriate value(s) to make a
decision about H0.
(Hint: Make sure to write down the null and alternative hypotheses
to help solve the problem.)
p-value = 0.0044; Decision:Reject H0
d) Using the SPSS results,
compute the corresponding effect size(s) and indicate
magnitude(s).
If not appropriate, input and/or select "na" below.
d = 1.313; large effect
r2 = 0.324; large effect
e) Make an interpretation based on the
results.
Residents with no personal control showed significantly more feelings of well-being than those with personal control.
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