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Aggregation Methods
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Published on Nov 22, 2015
A brief explanation of the various options for aggregating scores into a summary judgement.
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PRESENTATION OUTLINE
1.
Aggregation
Possible ways to get summary judgement
Photo by
Chris Heiler
2.
Highest Score
Photo by
HooLengSiong
3.
Highest Score Example
Scores - 2,3,4,3,3
Score would be 4
Photo by
Ben Fredericson (xjrlokix)
4.
Last Score
The most recent or
Photo by
Massimo Valiani
5.
Last Score Example
Scores - 2,3,4,3,3
Score would be 3
Photo by
Ben Fredericson (xjrlokix)
6.
Power law
a formula to predict overall score: accounts for growth over time
Photo by
kevin dooley
7.
Power Law Example
Scores - 2,3,4,3,3
Score would be 3
Photo by
Ben Fredericson (xjrlokix)
8.
median
The middle score when scores are placed in order
Photo by
fung.leo
9.
Median Example
Scores - 2,3,4,3,3
Score would be 3
Photo by
Ben Fredericson (xjrlokix)
10.
mode
The score that occurs most often
If there is no mode or more than one mode then Synergy will report the higher option.
Photo by
kevin dooley
11.
Mode Example
Scores - 2,3,4,3,3
Score would be 3
Photo by
Ben Fredericson (xjrlokix)
12.
mean
Average of all scores
Photo by
OZinOH
13.
Mean Example
Scores - 2,3,4,3,3
Score would be 3
Photo by
Ben Fredericson (xjrlokix)
14.
No aggregation
Teacher makes the judgement
A zero (0) doesn't necessarily mean that the student is getting a 0. It may simply be how the score is displayed in ParentVue until the teacher makes their judgement and enters a score.
Photo by
toddwendy
15.
No Aggregation Example
Scores - 2,3,4,3,3
Score would be 0 or N/A until teacher entered a score
Photo by
Ben Fredericson (xjrlokix)
16.
teacher judgement
Always best way
Override scores whenever necessary
Photo by
Scott*
17.
Consistant
Most of the time all methods produce same result
Photo by
josterpi
18.
Only works
If teacher uses 1-4 scale
Photo by
Biking Nikon SFO
Matt Head
matthewhead.com
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