TY  - BOOK
AU  - Petranek, Laura J. 
AU  - Petranek, Laura J. 
AU  - Bolter, Nicole D. 
AU  - Bell, Ken.
TI  - Attentional focus and feedback frequency among first graders in physical education /				
U1  - DPer 796.07 J826 July-October 2019 January-April 2020 v. 38, 39 n. 3-4, 1-2 
PY  - 2019///
CY  - Champaign, Illionois
PB  - Human Kinetics, Inc.
KW  - Attention
KW  - Experimental groups
KW  - Physical education
N1  - Journal of Teaching in Physical Education, vol. 38, no. 3, pages 199-206, July 2019
ER  -