Four years ago, we reported (with Yeager) that tests utilizing survey research methods in a panel design for an organizational development (OD) project implied what we had suspected: common definitions of change are seriously inadequate. Last year, the Review published an article attacking our position [Undell & Drexler, 1979]. We respond here to their criticisms and misunderstandings.

Use of factor analytic techniques for the analysts of organizational data is increasing. Four readily available techniques are described. Results derived from application of each technique to a common data set are compared.