Computer assisted instructional and testing apparatus with switc

Education and demonstration – Question or problem eliciting response – Correctness of response indicated to examine by...

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Details

G09B 706

Patent

active

045225990

ABSTRACT:
This invention provides students with immediate feedback as to the correctness of their responses by closing electrical switches at two different depths. A holding frame aligns six different sheets in layers, one below the other. The top sheet is an instructional sheet that contains printed questions and answers, and response areas near each answer choice. The second and fifth sheets are elastic and electroconductive and are connected to an electric power source. The third and sixth sheets are nonconductive and contain a grid of through holes. The fourth sheet is elastic and nonconductive, but has strips of elastic and electroconductive material bonded to its upper surface. Other electroconductive strips, at a 90.degree. axis with the above strips, are bonded to the bottom surface, the holding frame. Each individual electroconductive strip is linked to a computer via a switch relay. The same grid provides centers for: each electroconductive strip; the response areas in sheet one; and the holes in sheets two and five. When a stylus is pushed down at a response area in sheet one, it closes two underlying switches by having an electroconductive sheet contact an underlying electroconductive strip. A different pattern of switch closure is attained by downward pressure from a stylus at each different response area. A computer is programmed to remember which response areas are correct and which are incorrect answers, this information is then fed back to the student.

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