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Lecture

KINE 2049 Lecture Notes - Cohort Study, Mental Chronometry, Webct


Department
Kinesiology & Health Science
Course Code
KINE 2049
Professor
Merv Mosher

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December 7, 2009
KINE 2049
Page 263
.One piece in the Excel that has not been covered is the Pivot Tables.
.Start with some data and what you would like to be able to do is use the
Pivot Table.
.He will skip the steps involved.
.You do need to understand the output.
.Turn notes to page 266
.Construct your Pivot Table by dragging the field buttons on the right to
the diagram on the left.
.On the right hand side is the list for the field names example: ID
number, Sec, Year of St, Faculty, GPA.
.Drag any one of these icons and you put it in one of three places.
Column, row, or data.
.Points 1 & 2 indicate how you want to organize the data.
.Location #3 is what are you going to analyze.
.Under Faculty and Year of Study is how you want to organize it GPA.
.The last thing is to decide what analysis you want to do.
.He wants to get an average GPA.
.Double click on the icon GPA and select Average it changes it shows
Average of GPA.
.Then put it into your worksheet.
.Notice you want to organize by Faculty and Year of Study this is exactly
how the table breaks it down.
.On an exam you should be able if he gives you a Pivot Table and know
what that means.
.Example what's the average GPA of third year science students?
.Or he could give you another example and ask you how you create this.
.To rearrange the Pivot Table he clicks somewhere in the Pivot Table and
right clicks.
.Example student has done this, and what would be the output from this?
.How will it look when it is finished?
.Analyze GPA - whichever variable goes first is the major category of the
results.
.Notice we had Faculty first, notice the breakdown.
.Arts, Science and then the gender comes after that female/male.
.If he switched it around and put Faculty after it would be broken down
by Females/Males, etc.
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.The variable first is the main variable and the other is the second
subset.
.Exam could have the previous slide and show which output is correct?
.Or he could say here is the output what is the method to create that and
give you the previous slide plus four or five slides.
.Understand the big picture.
.How do you decide what goes down the column?
.It doesn't really matter the information will be the same information
being produced.
.Page 120 in course kit.
.Talking about epidemiological studies and what the output looks like.
Epidemiological Research
>Two broad categories
-Descriptive - identify patterns for disease for injury.
.You might notice in a particular factory workers are being injured more
possibly because of new equipment.
.High rates of diabetes as an example.
-Analytical - you attempt to determine causes.
.You might find that a cause might be people who are getting adult onset
diabetes are more overweight than others who are not getting it.
.This could be a cause.
.This is not an actual experiment you could say this appears to be the
cause.
.Analytical methods
>Cohort/prospective studies
-Observe a group of people [cohort] over a period of time
-Look for differences in disease as a function of exposure to a
factor[s].
>Case-control/retrospective studies
-Compare people who have the "problem" with those who do not have the
health issue.
.Example these people have the disease and this group does not.
.This group never exercises and this group does not.
Other Types of Research
>Meta-analysis-integrate the findings from many different studies.
.You end up taking the results from many experiments combine them
together and find out what is happening.
.You create a super group.
-Integrate-use several similar groups’ data to create a "super group"
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