Question
In: Math
A social psychologist is interested in how optimism is related to life satisfaction. A sample of...
A social psychologist is interested in how optimism is related
to life satisfaction. A sample of individuals categorized as
optimistic were asked about past, present, and projected future
satisfaction with their lives. Higher scores on the life
satisfaction measure indicate more satisfaction. Below are the
data. What can the psychologist conclude with α = 0.05?
| past | present | future |
|---|---|---|
| 22 24 27 26 28 |
27 28 29 30 30 |
24 27 30 28 29 |
Compute the corresponding effect size(s) and indicate
magnitude(s).
η2 =
Conduct Tukey's Post Hoc Test for the following
comparisons:
1 vs. 3: difference =
2 vs. 3: difference =
f) Conduct Scheffe's Post Hoc Test for the
following comparisons:
1 vs. 2: test statistic =
2 vs. 3: test statistic =
Solutions
milcah answered 1 year agoRelated Solutions
A social psychologist is interested in how optimism is related to life satisfaction. A sample of...
A social psychologist is interested in how optimism is related
to life satisfaction. A sample of individuals categorized as
optimistic were asked about past, present, and projected future
satisfaction with their lives. Higher scores on the life
satisfaction measure indicate more satisfaction. Below are the
data. What can the psychologist conclude with α = 0.05?
past
present
future
22
24
27
26
28
27
28
29
30
30
24
27
30
28
29
a) What is the appropriate test statistic?...
A social psychologist is interested in how optimism is related to life satisfaction. A sample of...
A social psychologist is interested in how optimism is related
to life satisfaction. A sample of individuals categorized as
optimistic were asked about past, present, and projected future
satisfaction with their lives. Higher scores on the life
satisfaction measure indicate more satisfaction. Below are the
data. What can the psychologist conclude with α = 0.05?
past
present
future
22
24
27
26
28
27
28
29
30
30
21
27
26
28
29
a) What is the appropriate test statistic?...
A social psychologist is interested in how optimism is related to life satisfaction. A sample of...
A social psychologist is interested in how optimism is related
to life satisfaction. A sample of individuals categorized as
optimistic were asked about past, present, and projected future
satisfaction with their lives. Higher scores on the life
satisfaction measure indicate more satisfaction. Below are the
data. What can the psychologist conclude with α = 0.01?
past
present
future
22
24
27
26
28
27
28
29
30
30
24
27
25
28
29
a) What is the appropriate test statistic?...
A social psychologist is interested in how optimism is related to life satisfaction. A sample of...
A social psychologist is interested in how optimism is related
to life satisfaction. A sample of individuals categorized as
optimistic were asked about past, present, and projected future
satisfaction with their lives. Higher scores on the life
satisfaction measure indicate more satisfaction. Below are the
data. What can the psychologist conclude with α = 0.05?
past
present
future
22
24
27
26
28
27
28
29
30
30
24
27
30
28
29
Compute the corresponding effect size(s) and indicate...
A social psychologist is interested in if the type of music a college student is listening...
A social psychologist is interested in if the type of music a
college student is listening to has any effect on the number of
hours per week the student studies. A group of college students
identified to one of four types of music: rock and roll, jazz,
country, and showtunes. Ten students were selected for each group.
In addition to this the psychologist wondered if gender would have
an impact on the hours studying as well so each of the...
A social psychologist hypothesizes that more Facebook use is related to less depression. The psychologist collects...
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...
A social psychologist hypothesizes that more Facebook use is related to less depression. The psychologist collects...
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...
a) A psychologist is interested in whether or not handedness is related to gender. Specifically, she...
a) A psychologist is interested in whether or
not handedness is related to gender. Specifically, she wants to
know if the percentage left-handed men in the population is
different from the percentage of left-handed women. She collected
data on handedness for 200 men and 200 women. What type of
statistical test would be appropriate?
options: a) Chi-square goodness of fit test b) Independent
samples t-test c) Paired t-test d) Chi-square test of
independence
b) Nima investigated the relationship between
optimism...
3. A psychologist is interested in the effects of social pressure. She selects a group of...
3. A psychologist is interested in the effects of
social pressure. She selects a group of 10 male
subjects at random from her introductory psychology course. Each
subject is asked to estimate by eye the length of a
stick under two conditions. In one condition,
the subject is placed in the presence of four other
persons who,
unknown to him, have been instructed to give estimates
that are too large. Each of
these persons...
An educational psychologist is interested in knowing whether the experience of attending preschool is related to...
An educational psychologist is interested in knowing whether the
experience of attending preschool is related to subsequent
sociability. She identifies two groups of first graders: those who
had attended preschool and those who had not. Then each child is
assigned a sociability score on the basis of observations made in
the classroom and on the playground. Perform the 4 steps of
hypothesis testing if using alpha is set at .05 for a two-tailed
test.
The following sociability results are
obtained:...
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