4.8
4.9
4.7

Respond to the Exercises on Green and Salkind

Part 1:
Green & Salkind:
Lesson 25, Exercises 1 3 This is the data –>Module 3(1).zip
The following helpful tips are numbered to correspond with
the exercise number to which they refer (a dash indicates that no tips are
needed):
1.
Use Tukey s test
as the post hoc test for ANOVAs in PSYC 355. Be sure to check this box when you
run analyses. For letters a d, instead of identifying these values on your
output, as the text states, write them into your Word file as written answers for #1 a, b, c, and d.
(2 pts for output and 2 pts each for a d)
2.
———- (3 pts)
3.
Remember to put your dependent variable in the
variable box, and your independent, or grouping, variables in the category
axis box. (3 pts)
Part 2:
1. Sixth grade students who struggle
with similar social difficulties at school and home are randomly assigned to 1 of
3 group therapy conditions in order to improve their social skills: manualized
cognitive-behavioral therapy (MCBT), non-manualized cognitive-behavioral
therapy (NMCBT), and talk therapy (T). Following 2 months of therapy, the
students are assessed on a standardized measure of social skills. On this
instrument, scores range from 0 65, and higher scores indicate better or
improved social skills, while lower scores indicate social skills that need
improvement. These scores are shown in the table below. Conduct a one-way ANOVA to determine how effective these 3 therapy
conditions are at improving social skills.
The steps will be the same as the
ones you have been practicing in Part 1 of the assignment the only difference
is that you are now responsible for creating the data file as well. Remember to
name and define your variables under the Variable View, then return to the
Data View to enter the data. (3 pts)

MCBT

39, 32, 36, 33, 32, 37, 37, 38

NMCBT

32, 30, 28, 26, 31, 27, 29, 26

T

25, 31, 24, 26, 26, 30, 27, 25

2. What is the F ratio for the therapy
group main effect? (3 pts)
3. What is the effect size for the overall effect of therapy type on social skills
scores? According to general conventions, is this effect small, medium, or
large? (3 pts)
4. Write an APA-style Results section
describing the outcome. All homework Results sections must follow the example
given in the Course Content document Writing Results of Statistical Tests in Current
APA Format (Note: you do not have to refer to a figure). (3 pts)
5. The
null hypothesis for this test can be written as follows: There is no difference
among the mean social skills scores across all three therapy conditions. Based
on your results, should this hypothesis be rejected or retained, and why? Write
your answer in sentence form. (3 pts)
Part 3: Cumulative
Homework
1. In a study of the relationship between violent pornography and
aggression toward women, 16 male volunteers are selected and randomly assigned
to 1 of 2 groups. One group views a violent, sexually explicit film, and the
other group sees a nature film. A test to measure aggressive feelings toward
women is then administered to all participants. (High scores = high aggressive
feelings.) Is there a significant difference between the groups on feelings of
aggression towards women? Choose the correct test to analyze this question, set
up the SPSS file, and run the analysis. Follow the directions under the table
below.

Nature Film

4
5
7
9
6
4
2
3
5

Explicit Film

6
8
5
11
10
7
7

a)
Paste appropriate SPSS output. (3 pts)
b)
Paste appropriate SPSS graph. (3 pts)
c)
Write a Results section in current APA style describing
the outcome. All homework Results sections must follow the example given in
the Course Content document Writing Results of Statistical Tests in Current APA
Format (Note: you do not have to refer to a figure). (3 pts)
Submit this assignment by 11:59 p.m. (ET) on Monday of
Module/Week 3.

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