Evan R. Powell

Who-to-Whom Observation Worksheet.

William W. Swan, Evan R. Powell, 1970 .

Influences of Musical Variables on Pictorial Connotations.

Evan R. Powell, Peggy P. Hooper, 1970 .

Competence and Tutorial Role as Status Variables Affecting Peer-Tutoring Outcomes in Public School Settings.

Evan R. Powell, Sidney Rosen, S. Rosen, 1978 .