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Social Network Analysis for Evaluation:
Open and Closed Approaches
Carl HanssenNovember 6, 2008
American Evaluation Association
The Milwaukee Mathematics Partnership (MMP) is supported with funding from the National Science Foundation.
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Agenda
Context
Open & Closed Approaches
Strengths & Limitations
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Context
Milwaukee Math Partnership Comprehensive Work in multiple schools Goal: Distributed Leadership
Life Sciences for a Global Community Institute partnership Work with 3 cohorts of 30 teachers Goal: Teacher leader network
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Open Approach
Respondent pool defined by the organization
Clean slate
Interested in network members inside and outside the organization
Interested in specific individual roles
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Low
Student Achievement:2007: 66% Proficient3-year trend: -9%
School n Total Named
Network density
Density in school
MTL Role--In Degree
MTS Role--In Degree
K 11 57 3.8% 13.7% 7.6 0.4
Average 23 66 4.8% 10.7% 16.5 3.4 SD 9.3 24 1.7% 2.5% 6.4 4.1 Median 23 64 4.1% 11.0% 15.0 1.4
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High
Student Achievement:2007: 53% Proficient3-year trend: +3%
School n Total Named Network density
Density in school
MTL Role--In Degree
MTS Role--In Degree
G 32 79 5.0% 12.1% 16.3 5.4
Average 23 66 4.8% 10.7% 16.5 3.4 SD 9.3 24 1.7% 2.5% 6.4 4.1 Median 23 64 4.1% 11.0% 15.0 1.4
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Closed
Respondents defined by cohort
Fixed slate
Interested in collaboration within network
Similar expectations for all members
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Cohort 1
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District A
Red diamond—institute participantGreen box – science teacherGreen square – other teacher (English, math, etc.)
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Strengths
Open Flexible Reduces bias Focus on roles Track evolution over
time Informs action
Closed Clean data collection All participants are
equal Track evolution over
time Informs action
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Limitations
Open Messy data Non-responses
Closed Limited scope Requires clean subject
lists Non-responses
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Contact Information
Carl Hanssen, Ph.D.
Hanssen Consulting, LLC
1324 Lake Dr. SE, Suite 6
Grand Rapids, MI 49506
616-808-2867