Download - Social Relations Model Designs
Social Relations ModelDesigns
David A. Kenny
June 17, 2013
Round Robin Design
• The prototypical SRM design.
• Persons in groups.
• Each person is both actor and partner with every other member of the group.
Round Robin Design
1 2 3 4 5 61 - x x x x x
2 x - x x x x
3 x x - x x x
4 x x x - x x
5 x x x x - x
6 x x x x x -
Variants• Indistinguishable members
–teams or groups
• Distinguishable members–families or work teams with roles
Block Design• People are divided into two sets.
• Person rate or interact with all of the members of the other set.
• Can viewed as round-robin design with specially chosen missing data.
Block Design
1 2 3 4 5 61 - - - x x x
2 - - - x x x
3 - - - x x x
4 y y y - - -
5 y y y - - -
6 y y y - - -
Symmetric Block Design:Indistinguishable Members
1 2 3 4 5 61 - - - x x x
2 - - - x x x
3 - - - x x x
4 x x x - - -
5 x x x - - -
6 x x x - - -
Asymmetric Block Design: Distinguishable Members
1 2 3 4 5 61 - - - x x x
2 - - - x x x
3 - - - x x x
4 y y y - - -
5 y y y - - -
6 y y y - - -
Asymmetric Block Design Illustration:
Speed Dating• Two sets of actor and partner variances
– One for the men
– One for the women
• Reciprocities
– Actor-partner correlation for men and women
– One dyadic reciprocity
Half Block Design: Nonreciprocal Design
1 2 3 4 5 61 - - - x x x
2 - - - x x x
3 - - - x x x
4 - - - - - -
5 - - - - - -
6 - - - - - -
Block Round Robin Design
1 2 3 4 5 61 - y y x x x
2 y - y x x x
3 y y - x x x
4 w w w - z z
5 w w w z - z
6 w w w z z -
Haphazard Design
• A design that is neither block or round robin, but most actors have multiple partners and most partners have multiple actors.
Other WebinarsEstimation
Thank You!