application of reinforcement principles to classroom teaching
Subtitle: the teaching of phonemically and orthographically analyzed spelling materials by an automatic mechanical teaching device; [a report]
By: Principal investigator: Douglas Porter.
Contributors: Porter, Douglas.
Series: Cooperative research project (United States. Office of Education) -- no.142
Published: 1961
Place of publication: Cambridge
Language: eng
Number of pages: 117
Subjects: English language -- Orthography and spelling -- Study and teaching.; Teaching machines