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- From Psychology, Psychological Statistics
- Due on 17 Sep, 2018 12:00:00
- Asked On 11 Sep, 2018 11:42:52
- Due date has already passed, but you can still post solutions.

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**Calboyce7****Rating :**0**Grade :****No Rating****Questions :**5**Solutions :**0**Blog :**0**Earned :**$0.00

**Problem Set 1: The One-way ANOVA**

**Research Scenario:** Depressed patients are randomly assigned to 1 of 3 therapists. At the end of 3 months, each patient completes a standardized test of depression (higher scores indicate higher level of depression). The patients’ scores are shown below. Analyze the data to determine how effective these 3 therapists are at treating depression (assume that before the treatment, all 3 groups of patients had the same average depression score).

**Using this table, enter the data into a new SPSS data file and run a one-way ANOVA to test whether there is a difference in patients’ depression scores among the three therapists. Create a boxplot to show the difference among these scores.**

**Therapist 1**

35

37

35

37

36

33

39

**Therapist 2**

36

37

37

31

39

35

32

**Therapist 3**

29

32

25

28

33

30

32

1. Paste SPSS output. (7 pts)

** **

2. Write an APA-style Results section based on your analysis. Include your boxplot as an APA-style figure as demonstrated in the APA writing presentation. (Results = 8 pts; Graph = 5 pts)

**Problem Set 2: The One-way ANOVA**

**Research Scenario:** As part of a new prevention program, a clinical psychologist wants to see whether feelings of alienation differ as a function of immigration status in a local high school. She divides volunteer students into three categories: first-generation immigrants, second-generation immigrants, and non-immigrants. She then administers an instrument assessing feelings of alienation, where higher scores indicate stronger feelings of alienation from peers, adults, and society in general. Is there a difference in alienation scores among these three groups?

**Using this table, enter the data into a new SPSS data file and run a one-way ANOVA to test whether there is a difference in feelings of alienation among the three groups. Create a boxplot to show the difference in alienation scores among the three groups.**

**First-generation**

**immigrants**

35

39

34

37

36

23

39

**Second-generation**

**immigrants**

26

37

28

29

36

25

18

**Non-immigrants**

29

22

17

25

19

30

16

1. Paste SPSS output. (7 pts)

** **

2. Write an APA-style Results section based on your analysis. Include your boxplot as an APA-style figure as demonstrated in the APA writing presentation. (Results = 8 pts; Graph = 5 pts)

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- Submitted On 12 Sep, 2018 10:05:36

Solution posted by

**Ciciliany****Rating :**0**Grade :****No Rating****Questions :**0**Solutions :**9**Blog :**0**Earned :**$204.00

a) SPSS output (5 pts)
Between-Subjects Factors
Value Label N
Depressed Patients 1 Therapist 1 7
2 Therapist 2 7
3 Therapist 3 7
Descriptive Statistics
Dependent Variable: Depression Scores
Depressed Patients Mean Std. Deviation N
Therapist 1 36.00 1.915 7
Therapist 2 35.29 2.870 7
Therapist 3 29.86 2.795 7
Total 33.71 3.717 21
Levene's Test of Equality of Error Variancesa
Dependent Variable: Depression Scores
F df1 df2 Sig.
.708 2 18 .506
Tests the null hypothesis that the error variance of the dependent variable is equal across groups....

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- Submitted On 18 Sep, 2018 02:03:34

Solution posted by

**APLUS****Rating :**0**Grade :****No Rating****Questions :**2**Solutions :**28**Blog :**0**Earned :**$14.50

Patients with major depression respond to antidepressant treatment, but 10%–30% of them do not improve or show a partial response coupled with functional impairment, poor quality of life, sui...

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