On the nature of the perceptual speed factor
By: [by] G. Stjernberg and I. Werdelin
Series: Didakometry -- no. 20
Publisher: Dept. of Education and Psychological Research, School of Education
Published: 1968
Place of publication: Mälmo, Sweden
Language: eng
Number of pages: 12
Subjects: Perception; Testing
Notes: Cover title.