# Way Analysis of Variance of the Effect of Smoking…

WIDENER UNIVERSITY – SCHOOL OF NURSING N652 – Statistical Analysis Spring 2011 Assignment #11 ***PLEASE POST THE COMPLETED ASSIGNMENT ON CAMPUSCRUISER “MY JOURNALS” BY THE BEGINNING OF THE NEXT CLASS*** NAME: ______________________________________ DATE: ______________ (my signature attests to the fact that the answers presented on this test are my own work, without the assistance of any person in or outside of this class) SHORT ANSWER QUESTIONS (write or type your answer in the space provided) As an advanced nurse practitioner and researcher, you studied the effect of

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WIDENER UNIVERSITY – SCHOOL OF NURSING

N652 – Statistical Analysis

Spring 2011

Assignment #11

***PLEASE POST THE COMPLETED ASSIGNMENT ON CAMPUSCRUISER “MY JOURNALS” BY THE BEGINNING OF THE NEXT CLASS***

NAME: ______________________________________ DATE: ______________

(my signature attests to the fact that the answers presented on this test are my own work, without the assistance of any person in or outside of this class)

SHORT ANSWER QUESTIONS (write or type your answer in the space provided)

As an advanced nurse practitioner and researcher, you studied the effect of smoking and exercise habits on the self-confidence of 427 high school students. The first independent variable “Smoking” has 3 groups (never smoked/quit smoking/still smoking); the second independent variable “Exercise” has 4 groups (rarely/sometimes/often/routinely); the Dependent variable “Self-confidence” is on a scale from 20 to 100 (higher score = higher self-confidence). You are testing the research hypothesis that the combination of smoking and exercise habits has an interaction effect on the self confidence of high school students. Review the following 2-Way ANOVA output carefully and answer the questions that follow.

2-Way Analysis of Variance of the Effect of

Smoking and Exercise on Self Confidence

Post Hoc Tests for Smoking History and Exercise

a) Was it appropriate to do a 2-way ANOVA with these data? (circle one):

YES NO

b) Why was it (appropriate or not appropriate) to do a 2-way ANOVA?

c) Were there any significant Main Effects for Smoking History? (circle one)

YES NO

d) Were there any significant Main Effects for Exercise Habits? (circle one)

YES NO

e) Was there a significant Interaction Effect? (circle one)

YES NO

f) What were the significant findings of this study? (BE SPECIFIC!!)

ion of smoking and exercise habits has an interaction effect on the self confidence of high school students. …

Attachments:

Quiz-11.doc