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Peer reviewedMilligan, Glenn W. – Multivariate Behavioral Research, 1981
Monte Carlo validation studies of clustering algorithms, including Ward's minimum variance hierarchical method, are reviewed. Caution concerning the uncritical selection of Ward's method for recovering cluster structure is advised. Alternative explanations for differential recovery performance are explored and recommendations are made for future…
Descriptors: Algorithms, Cluster Analysis, Literature Reviews, Methods
Peer reviewedLane, Irving M.; And Others – Group and Organization Studies, 1981
Presents both logical and empirical evidence to illustrate that the conventional scoring algorithm for ranking tasks significantly underestimates the initial level of group ability and that Slevin's alternative scoring algorithm significantly overestimates the initial level of ability. Presents a modification of Slevin's algorithm which authors…
Descriptors: Ability Identification, Algorithms, Evaluation Methods, Group Dynamics
