ABSTRACT
The first modern ethological study of human R&T was undertaken by Neil Blurton Jones, in 1967. He trans-
ferred observation techniques used by Harlow and
Harlow (1965) in monkey R&T studies into human deve-
lopmental research, carrying out pilot studies of chil-
dren’s R&T play within several London nursery schools.
He reported a pattern of running, chasing and play