Perfectly reasonable in a practicle world: CHemistry teacher responses to a change proposal

H.B. Westbroek, F.J.J.M. Janssen, W Doyle

Research output: Contribution to JournalArticleAcademicpeer-review


Curriculum ideals often get compromised as a curriculum moves through its various levels of representation. Across the different science reforms, this process of slippage is clearly present. Research shows that teacher subject matter knowledge, PCK, beliefs and context factors all influence implementation. Professional development arrangements focus on fixing
deficiencies in teachers’ knowledge, beliefs or work context. This approach has not solved the problem of slippage, as we still do not understand what mechanisms operate when teachers make decisions about change proposals. In this study, we unpacked the decision mechanisms of three highly qualified chemistry teachers who subsequently adapted an innovative contextbased
chemistry unit. In spite of a state of the art professional development arrangement and the teachers being highly qualified, slippage occurred. The teachers’ goal systems were used to interpret their reasoning. A goal system is a context-dependent, within-person mental construct that consists of a hierarchy of a person’s goals and means in pursuit of a task. We showed that
all three teachers adopted or redesigned elements of the change proposals to meet their core goals, i.e., goals that had multiple connections with other goals. This indicated that the adaptations teachers made were perfectly reasonable ways to serve their professional goals. For change to happen, we contend that one should begin with ways to connect teachers’ core goals with the lesson or unit goal demands of a proposed innovation. Change emerges from the
adaptions teachers make in the service of their core goals.
Original languageEnglish
Number of pages21
JournalResearch in Science Education
Publication statusPublished - 17 Oct 2016


  • Curriculum innovation . Curriculumslippage . Practical reasoning . Goal system theory. Core goals


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