RT Journal Article SR Electronic T1 Essay Reviews: Methodology and Epistemology: A Dialogue JF Harvard Educational Review JO herp FD Harvard Educational Press SP 497 OP 513 DO 10.17763/haer.60.4.42mg5k33j45h0743 VO 60 IS 4 A1 Maxwell, Joseph A1 Lincoln, Yvonna YR 1990 UL http://harvardeducationalreview.org/content/60/4/497.abstract