J. Holbrook

Effects of variable and fixed second-order schedules on schedule-induced polydipsia in the rat

J. Porter, J. D. Allen, R. Arazie, 1975, Physiology & Behavior.

Stability of teacher temperament ratings over 6 and 12 months

Roy P. Martin, Juanita Matthews-Morgan, J. Wisenbaker, 1986, Journal of abnormal child psychology.

Relationship of Temperament Characteristics to the Academic Achievement of First-Grade Children

Roy P. Martin, J. Holbrook, 1985 .