The effect of problem-solving and lecture-discussion methods of teaching genral science in developing student grwoth in basic understandings, problem-solving skills, attitudes, interest, and personal adjustment. - Mahan, Luther Alvin 1926- ([Ann Arbor, Mich. University Microfilms, 1967)
Thesis (Ed.D.)--Pennsylvania State University, 1963.
"This is an autorized facsimile and was produced by microfilm-xerography in 1967...'
Keywords: Science -- Study and teaching