Evaluation problems evolving from certain objectives of intervention programs and from the characteristics of the target population are investigated. The intellectual process approach of experimental education with its emphasis on conative and motive objectives requires an evaluation technique capable of reflecting the desired behaviors more…

Twenty-four children aged five and twenty-four children aged six were interviewed individually three times during a calendar year. It was found that not only did the children's language develop over the period, as judged syntactically and lexically, but they also showed an increasingly fluent control over their own style. All the children…