Question

A sleep researcher hypothesizes that sleep is related to
feelings of tiredness. Below are partial **SPSS**
results with α = 0.05 of the analysis for a sample of participants
at a sleep center.

sleep | tired | ||

sleep | Pearson Correlation Sig. (2-tailed) N |
1 17 |
0.358 17 |

tired | Pearson Correlation Sig. (2-tailed) N |
0.358 17 |
1 17 |

**a)** Compute the appropriate test statistic(s) to
make a decision about *H*_{0}.

(Hint: Make sure to write down the null and alternative hypotheses
to help solve the problem.)

Critical value = ; Test statistic =

Decision: ---Select--- Reject H0 Fail to reject H0

**b)** Compute the corresponding effect size(s) and
indicate magnitude(s).

If not appropriate, input and/or select "na" below.

Effect size = ; ---Select--- na trivial
effect small effect medium effect large effect

**c)** Make an interpretation based on the
results.

More sleep is related to feeling more tired.More sleep is related to feeling less tired. Sleep is not related to feeling tired.

Answer #1

A health psychologist hypothesizes that snacking is related to
television (tv) viewing. Below are the hours of television and
number of snacks for a sample of participants. What can the
psychologist conclude with an α of 0.01?
tv
snacks
4
3
3
3
1
5
4
3
7
4
3
0
1
10
8
5
a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected in a):
b) Obtain/compute the appropriate values to make a...

Use SPSS for this Application Exercise:
A physician hypothesizes that more labor pain is related to less
infant bonding. The table below contains data for mothers' labor
pain (higher score indicates more pain) and the amount of hours
spent bonding with their infant after birth. What can the physician
conclude with an α of 0.01?
infant
bonding
labor pain
1
4
7
5
4
2
6
8
5
4
2
8
2
2
4
3
6
5
3
3
5...

Use SPSS for this Application Exercise:
A physician hypothesizes that more labor pain is related to more
infant bonding. The table below contains data for mothers' labor
pain (higher score indicates more pain) and the amount of hours
spent bonding with their infant after birth. What can the physician
conclude with an α of 0.01?
infant
bonding
labor pain
1
4
7
5
4
2
6
8
5
4
2
8
7
2
4
3
6
5
3
3
5...

A physician hypothesizes that more labor pain is related to more
infant bonding. The table below contains data for mothers' labor
pain (higher score indicates more pain) and the amount of hours
spent bonding with their infant after birth. What can the physician
conclude with an α of 0.01?
labor pain
infant bonding
8
7
2
4
3
6
5
3
3
5
7
8
5
2
4
5
7
2
1
4
4
6
a) What is the appropriate...

A social psychologist hypothesizes that depression is related to
Facebook use. The psychologist collects hours on Facebook and
depression score data from a sample of clinically depressed
patients. What can be concluded with α = 0.10?
Facebook
depression
3
3
2
5
4
3
4
2
3
4
0
7
9
6
1
11
2
5
a) What is the appropriate statistic?
---Select--- na, Correlation, Slope, Chi-Square
Compute the statistic selected in
a):
b) Obtain/compute the appropriate values to make...

A social psychologist hypothesizes that more Facebook use is
related to less depression. The psychologist collects hours on
Facebook and depression score data from a sample of clinically
depressed patients. What can be concluded with an α of
0.01?
Facebook
depression
3
4
5
4
3
4
2
3
0
7
9
6
1
4
2
5
a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected in a):
b) Obtain/compute the appropriate values to...

A social psychologist hypothesizes that more Facebook use is
related to less depression. The psychologist collects hours on
Facebook and depression score data from a sample of clinically
depressed patients. What can be concluded with an α of
0.01?
Facebook
depression
3
4
5
4
3
4
2
3
0
7
9
6
1
4
2
5
a)Compute the correlation statistic
b) Obtain/compute the appropriate values to make a
decision about H0.
(Hint: Make sure to write down the null...

A health psychologist hypothesizes that people snack more when
watching more television (tv). Below are the hours of television
and number of snacks for a sample of participants. What can the
psychologist conclude with an α of 0.05?
tv
snacks
3
3
4
5
1
3
3
7
4
3
1
10
8
5
a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected in
a):
b) Obtain/compute the appropriate values to make a
decision...

A developmental psychologist hypothesizes that drinking soda
effects the hyperactivity of children. Children in the experimental
condition were given a can of soda during their afternoon break.
Children in the control condition were not given any soda. The
hyperactivity of the children was measured after the break. Below
are partial SPSS results:
a) Compute the appropriate test statistic(s) to
make a decision about H0.
(Hint: Make sure to write down the null and alternative hypotheses
to help solve the problem.)...

A hospital human resource manager hypothesizes that nurses that
experience more burnout are absent from work more. The manager
collects absence and "psychological burnout" from a random sample
of nurses at the hospital. What can the manger conclude with an α
of 0.01?
absence
burnout
5
7
6
7
6
8
8
10
9
7
8
7
4
4
3
2
2
1
a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected in a):...

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