ented lessons tend to have these gua At poses in the content oratory work study and inluu titudinal and motivational constructs of science instruc program evaltalion and national compansons course, be con that is developed to influence attitudes and motives may purposely nood as indoctrination(Kobulla, 1992) raising ethical questions in some creum stances. In addition, d are amtudinal that may be considered as both entry characteristics and outcomes of science instriction(Bloon ample, motivation to enroll i science and titudes toward chemistry a lust as likely to be considend important instructional outcomes as they are determinants of whether a person wil engage in omtain sci learning experiences constructs in