Predicting criminality: forecasting behavior on parole

Introduction and historical background

Do valid estimates by inmates exist?

Of what do "hunches" consist?

How may the presence or absence of the factors be determined?

The truth group

The random groups

How may the best questions be selected?

Constructing an abridged questionnaire

Are the correlations of questionnaire score and inmates' estimates of general validity?

Collateral studies completed, in progress and projected

Summary and conclusions.