Social Relations Model Designs David A Kenny June

Social Relations Model Designs 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 1 - 2 x 3 x 4 x 5 x 6 x 2 x - x x 3 x x - x x x 4 x x x - x x 5 x x - x 6 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 1 - 2 - 3 - 4 x 5 x 6 x 2 - - - x x x 3 - - - x x x 4 y y y - - - 5 y y y - - - 6 y y

Symmetric Block Design: Indistinguishable Members 1 1 - 2 - 3 - 4 x 5 x 6 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 1 - 2 - 3 - 4 x 5 x 6 x 2 - - - x x x 3 - - - x x x 4 y y y - - - 5 y y y - - - 6 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 1 - 2 - 3 - 4 x 5 x 6 x 2 - - - x x x 3 - - - x x x 4 - - - 5 - - - - - 6 - -

Block Round Robin Design 1 1 - 2 y 3 y 4 x 5 x 6 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 Webinars h. Estimation

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