TY  - BOOK
AU  - Fiorella, Logan.
AU  - Fiorella, Logan.
AU  - Stull, Andrew T.
AU  - Kuhlmann, Shelbi.
AU  - Mayer, Richard E.
TI  - Instructor presence in video lectures: the role of dynamic drawings, eye contact, and instructor visibility 
U1  - DPer 370.15 J826 October-November 2019 v. 111 n. 7-8 
PY  - 2019///
CY  - Washington, DC ; 
PB  - American Psychological Association , 
KW  - College faculty
KW  - Instructional effectiveness
KW  - Nonverbal communications
N1  - Journal of Educational Psychology, vol. 111, no. 7, pages 1162-1171, October 2019
ER  -