APU SOCI332 Week 4 Forum Latest 2019 February Question # 00597869 Subject: Education Due on: 02/07/2019 Posted On: 02/07/2019 04:44 AM Tutorials: 1 Rating: 4.8/5
SOCI332
Statistics for Social Science
Week 4
Forum
This week we talk about the uses of a crosstabulation
(crosstabs) and the benefits of creating this “snapshot” of your
data.
For this forum, provide a brief introduction to your study
to remind your classmates what we are reading about here. Include:
1. Your overall
research question
2. The research
hypothesis and null hypothesis
Next, create a crosstab for your data and include it in the
post. Be sure to explain your findings,
including a description of the data, a calculation of the epsilons, and a discussion
of the 10% rule. The epsilons in short are the differences between the highest
and lowest column % in any given row. As
long as one epsilon makes the 10% threshold, we’ll deem two variables have
“enough” going on to with each other to warrant further statistical
analysis.
Special note:
When a variable is continuous (interval/ratio level of
measurement), for example, age of respondent, we do not run crosstabs directly
b/c it will result in a really spread-out table with lot of 0s and low frequency
cells. Such a crosstab does not help us understand the data.
The correct way is to reduce the level of measurement to
either ordinal level or nominal level (group the numbers into categories) and
then run the cross table. You do this by recoding (See Week 3 Optional Forum).
In this way, your crosstabs will help us better understand data. Here is
another example of recoding in a video:
https://www.youtube.com/watch?v=uzQ_522F2SM
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