Editing Quantitative Methods for Communication (Spring 2022)

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{{Old Class}}
= Course Information =
= Course Information =
:'''COM 304: Quantitative Methods for Communication Research'''
:'''COM 304: Quantitative Methods for Communication Research'''
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:'''Email:''' jdfoote@purdue.edu
:'''Email:''' jdfoote@purdue.edu
:'''[[User:Jdfoote/OH|Office Hours]]:''' Thursdays; 2:00–4:00pm and by appointment
:'''[[User:Jdfoote/OH|Office Hours]]:''' Thursdays; 2:00–4:00pm and by appointment


:'''Graduate TA:''' Grace Lee
:'''Graduate TA:''' Grace Lee
:'''Email:''' lee3416@purdue.edu
:'''Email:''' lee3416@purdue.edu
:'''Office Hours:''' Thursdays; 10:30–11:45am and by appointment


:'''Graduate TA:''' Yihan Jia
:'''Graduate TA:''' Yihan Jia
:'''Email:''' jia110@purdue.edu
:'''Email:''' jia110@purdue.edu
:'''Office Hours:''' Tuesdays and Thursdays; 11:00am–12:00pm and by appointment


<div style="float:right;">{{toclimit|limit=3}}</div>
<div style="float:right;">{{toclimit|limit=3}}</div>
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== Survey Design Project ==
== Survey Design Project ==


To build your knowledge of survey design, you will work in a group on a survey development project. The project involves developing research and survey questions; the project and your contribution to the group together are worth 50 points.
To build your knowledge of survey design, you will work in a group on a survey development project. The project involves developing research and survey questions; the project and your contribution to the group together are worth 30 points.  


== Survey Analysis Project ==
== Survey Analysis Project ==


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| 50 points
| 50 points
|-
|-
| SPSS Quiz 2
| SPSS Quiz 1
| 50 points
| 50 points
|-
|-
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'''Assignment Due:'''  
'''Assignment Due:'''  
* [[/Discord Signup|Sign up for Discord]] and introduce yourself
* [[/Discord Signup|Sign up for Discord]] and introduce yourself
* Take [https://forms.gle/Ak9GYuFGer89k6G47 this very brief survey]
* Take [https://forms.gle/ANqbnAXxivexukgB7 this very brief survey]


'''Required Readings:'''  
'''Required Readings:'''  
* Five Big Words (on Brightspace)
* None


'''Concepts:'''
'''Concepts:'''
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* Read the entire syllabus (this document)
* Read the entire syllabus (this document)


'''Readings (on Brightspace):'''  
'''Readings:'''  
* Variables in non-experimental studies
 
* Conceptualizing
 
* Writing RQs
'''Class Schedule:'''


'''Concepts:'''
* Constructs
* Hypotheses
* Research Questions
* Independent/Dependent Variables


==== January 14 ====
==== January 14 ====


'''Lab 1: Intro to SPSS'''
'''Lab 1'''


== Week 2: Surveys ==
== Week 2: Surveys ==


==== January 18 ====
==== January 18 ====
'''Assignment Due:'''


'''Readings (before class):'''  
'''Readings (before class):'''  
* Scales of Measurement
 


'''Concepts:'''
'''Concepts:'''
* Scales




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'''Readings (before class):'''  
'''Readings (before class):'''  
* How to improve online survey response rates;
 
* Survey questions 101: do you make any of these 7 question-writing mistakes?


'''Concepts:'''
'''Concepts:'''
* Selection effects
* Survey Project Assigned


====January 21====
====January 21====


'''Lab 2: Entering and Modifying Data in SPSS'''
'''Assignment Due:'''
* Lab 1: Intro to SPSS
* Completed Homework Survey


== Week 3: Descriptive Statistics ==
== Week 3: Descriptive Statistics ==
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'''Readings (before class):'''  
'''Readings (before class):'''  
* Salkind Chapter 2
 
* Salkind Chapter 4


'''Concepts:'''
'''Concepts:'''
* Distributions
* Mean
* Median
* Mode


====January 27====
====January 27====
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'''Readings (before class):'''  
'''Readings (before class):'''  
* Salkind Chapter 3
 
* Interquartile Range
* SD and normal curve


'''Concepts:'''
'''Concepts:'''
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====January 28====
====January 28====


'''Lab 3: Modifying data in SPSS'''
'''Lab 3'''


'''Assignment Due:'''
* Lab 2
* SPSS Homework Survey Data File


== Week 4: Z-scores and correlation ==
== Week 4: Z-scores and correlation ==
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====February 1====
====February 1====


'''Assignment Due:'''
'''Readings (before class):'''  
* SURVEY PROJECT QUESTIONS DUE in Lecture


'''Readings (before class):'''
* Salkind Ch. 8 pp. 149-165
* Standard scores and the normal curve


'''Concepts:'''
'''Concepts:'''
* Standardization
* Z-scores


====February 3====
====February 3====


'''Readings (before class):'''  
'''Readings (before class):'''  
* Salkind Chapter 5
 


'''Concepts:'''
'''Concepts:'''
* Correlation
* r


====February 4====
====February 4====


'''Lab 4: Descriptive Stats and z scores'''
'''Lab 4'''
 
'''Assignment Due:'''
* Lab 3


== Week 5: Reliability and Validity ==
== Week 5: Reliability and Validity ==
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'''Readings (before class):'''  
'''Readings (before class):'''  
* Salkind Chapter 6
 
* Reliability and its relationship to Validity


'''Concepts:'''
'''Concepts:'''
* Validity
* Generalizability
* Replication


====February 10====
====February 10====


'''Readings (before class):'''  
'''Readings (before class):'''  
* Sampling
 


'''Concepts:'''
'''Concepts:'''
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'''Lab 5: Scatterplots and correlation'''
'''Lab 5: Scatterplots and correlation'''
'''Assignment Due:'''
* Lab 4




== Week 6: Sampling (cont'd) ==
== Week 6: Sampling ==


====February 15====
====February 15====


'''Assignment Due:'''
'''Readings (before class):'''  
* Survey project


'''Readings (before class):'''
* Sampling distribution
* Sampling error


'''Concepts:'''
'''Concepts:'''
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'''Lab 6: Reliability and Cronbach's alpha'''
'''Lab 6: Reliability and Cronbach's alpha'''
'''Assignment Due:'''
* Lab 5




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==== March 1 ====
==== March 1 ====
Final Project Assigned


'''Readings (before class):'''  
'''Readings (before class):'''  
* Cialdini EPH Experiment (pp. 599-601)
* True Experimental Designs




'''Concepts:'''
'''Concepts:'''
* "True" experiments
*


====March 3====
====March 3====


'''Readings (before class):'''  
'''Readings (before class):'''  
* Establishing Cause and Effect
 
* Internal Validity
* External Validity


'''Concepts:'''
'''Concepts:'''
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'''Readings (before class):'''  
'''Readings (before class):'''  
* Salkind Ch. 9, pp. 186-187
 
* Probability and Normal Curve & Standard Error of Mean (same PDF)


'''Concepts:'''
'''Concepts:'''
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'''Readings (before class):'''  
'''Readings (before class):'''  
* Salkind Chapter 9 pp. 192-194
 
* Confidence interval for the mean


'''Concepts:'''
'''Concepts:'''


====March 11====
====March 11====


'''Lab 9: Final Project Data Collection'''
'''Lab 9'''


====SPRING BREAK MARCH 14-18====
====SPRING BREAK MARCH 14-18====
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'''Readings (before class):'''  
'''Readings (before class):'''  
* Salkind Chapter 7
 
* Salkind Chapter 9 pp. 188-192
* Salkind Chapter 10


'''Concepts:'''
'''Concepts:'''
* The null hypothesis
* Hypothesis testing
* Statistical significance
* One sample z-test




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'''Readings (before class):'''  
'''Readings (before class):'''  
* Chapter 17
 
* Computation of Two-way Chi-Square


'''Concepts:'''
'''Concepts:'''
* Chi-squared tests




====March 25====
====March 25====


'''Lab 10: Survey Analysis Project: Data Entry'''
'''Assignment Due:'''
* Final Project data must be gathered


== Week 11: Significance tests ==
== Week 11: Significance tests ==
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'''Readings (before class):'''  
'''Readings (before class):'''  
* Cramer’s Phi
 


'''Concepts:'''
'''Concepts:'''
* Chi-Square: Effect Size


====March 31====
====March 31====


'''Readings (before class):'''  
'''Readings (before class):'''  
* Salkind Chapter 15
 


'''Concepts:'''
'''Concepts:'''
* Testing ''r'' for statistical significance


==== April 1 ====
==== April 1 ====


'''Lab 11: Two-way Chi-squared'''
'''Assignment Due:'''
* Lab 10


== Week 12: t-tests ==
== Week 12: t-tests ==
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'''Readings (before class):'''  
'''Readings (before class):'''  
* Salkind Chapter 11
 


'''Concepts:'''
'''Concepts:'''
* t-tests for independent groups


====April 7====
====April 7====


'''Readings (before class):'''  
'''Readings (before class):'''  
* Introduction to Effect Size
 


'''Concepts:'''
'''Concepts:'''
* Cohen's ''d''


====April 8====
====April 8====


'''Lab 12: t-test and Pearson's r'''
'''Assignment Due:'''
* Lab 11




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'''Readings (before class):'''  
'''Readings (before class):'''  


* Salkind Chapter 9, pp. 177-186


'''Concepts:'''
'''Concepts:'''
* Type I and Type II errors
* Statistical power


====April 14====
====April 14====


Final project review + Q&A
'''Readings (before class):'''


====April 15====


'''No Lab: Workday for Final Project'''
'''Concepts:'''


'''Assignment Due:'''
* Lab 12


== Week 14 ==
====April 15====
 
====April 19====
 
Review for SPSS Quiz 2
 
====April 21====
 
Open Topic: Buffer Day / Out-of-class workday
 
====April 22====
 
'''SPSS Quiz 2'''


== Week 15 ==




 
== Week 14-15: Final Project ==
====April 26====
 
Out-of-class work day for final project
 
====April 28====
 
Review for Final exam
 
'''Assignment Due:'''
* '''Final Project'''
 
====April 29====
 
'''No Lab'''


== Week 16: Final Exam ==
== Week 16: Final Exam ==
May 5, 1:00 pm - 3:00 pm


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= Policies =
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