Question

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 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

**c)** 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

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

There is a significant positive relationship between television viewing and snacking.There is a significant negative relationship between television viewing and snacking. There is no significant relationship between television viewing and snacking.

Answer #1

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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...

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 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 individuals that are on
the internet less have more social interactions. To investigate
this, the psychologist asks a sample of students how how many hours
they spend on the internet and how many social interactions they
have per week. The following table list the data. What can the
psychologist conclude with an α of 0.10?
social interaction
internet use
4
6
7
5
5
7
3
5
10
3
9
7
5
8
5
4...

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.)...

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...

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):...

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...

Application Exercise:
A school psychologist wants to know if there is a relationship
between creativity and positive mood. Below are the data from a
random sample of 5th graders. What can be concluded with α
= 0.10?
mood
creativity
1
6
2
6
7
7
5
8
10
9
5
7
6
11
4
5
7
6
5
4
2
8
a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected in
a):
b) Obtain/compute...

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