A manipulative, nonverbal oriented unit on electricity which was used in an experiment with educable mentally handicapped students is presented. Lessons and worksheets to accompany them are represented with instructions and drawings. A teacher's curriculum guide for the unit includes concepts to teach, materials, lectures and activities, and…

To test the hypothesis that the amount learned from a manipulative, nonverbal oriented unit on electricity would be better predicted by a learning potential assessment procedure than from an IQ based classification (educable mentally retarded status), an EMR group and a regular class non EMR group were both exposed to the unit; untaught EMRs…