TY  - RPRT
TI  - Experimenter role effects on children's task performance and perception.
AU  - S A Allen
AU  - P S Spear
AU  - J Johnson
PY  - 1969
DO  - 10.1111/j.1467-8624.1969.tb06022.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5787703/
ID  - 5787703
ER  -