Date of this Version
Presented to UNL Discipline-Based Education Research Group, 2012.
1) How do beginning chemistry teachers conceptualize and enact the triplet relationship for atomic structure during their first three years?
2) Why do these representations change over time?
PCK is the most useful forms of representa3on of those ideas, the most powerful analogies, illustra3ons, examples, explana3ons, and demonstra3ons… (Shulman, 1986, 1987)
in a word, the ways of represen3ng and formula3ng the subject that make it comprehensible to others… (Shulman 1986, 1987)
I. Prior Knowledge
II. Variations to students’ approaches to learning
III. Student Difficulties