Level of anxiety and presence or absence of feedback in programmed instruction
Subtitle: final report.
Contributors: American Institutes for Research.
Publisher: American Institute for Research
Published: 1965
Place of publication: Palo Alto, Calif
Language: eng
Number of pages: 25
Subjects: Programmed instruction.; Anxiety.
Notes: AIR-D96-2/65-FR.

Grant no:  Title VIII, 7-48-7670-229, National defense education act of 1958.