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Social Relations Model Designs. David A. Kenny. 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. Partner. 1 2 3 4 5 6
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Social Relations ModelDesigns David A. Kenny
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 Partner 1 2 3 4 5 6 1 - 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 - A c t o r
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 Partner 1 2 3 4 5 6 1 - - - x x x 2 - - - x x x 3 - - - x x x 4 y y y - - - 5 y y y - - - 6 y y y - - - A c t o r
Symmetric Block Design:Indistinguishable Members Partner 1 2 3 4 5 6 1 - - - x x x 2 - - - x x x 3 - - - x x x 4 x x x - - - 5 x x x - - - 6 x x x - - - A c t o r
Asymmetric Block Design: Distinguishable Members Partner 1 2 3 4 5 6 1 - - - x x x 2 - - - x x x 3 - - - x x x 4 y y y - - - 5 y y y - - - 6 y y y - - - A c t o r
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 Partner 1 2 3 4 5 6 1 - - - x x x 2 - - - x x x 3 - - - x x x 4 - - - - - - 5 - - - - - - 6 - - - - - - A c t o r
Block Round Robin Design Partner 1 2 3 4 5 6 1 - 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 - A c t o r
Haphazard Design • A design that is neither block or round robin, but most actors have multiple partners and most partners have multiple actors.
Other Webinars • Estimation