TY  - GEN
AU  - Athens,Elizabeth S
AU  - Vollmer,Timothy R
AU  - Pipkin,Claire C St Peter
TI  - Shaping academic task engagement with percentile schedules
SN  - 0021-8855
PY  - 2008///0118
KW  - Achievement
KW  - Child
KW  - Female
KW  - Humans
KW  - Male
KW  - Reinforcement Schedule
KW  - Students
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1901/jaba.2007.40-475
ER  -