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TIMMS (2015). http://timssandpirls.bc.edu/timss2015/encyclopedia/introduction/
Wittmann MC (2002) The object coordination class applied to wave pulses: analysing student
reasoning in wave physics. Int J Sci Educ 24(1):97–118
Wosilait K, Heron PRL, Shaffer PS, McDermott LC (1999) Addressing student difficulties in
applying a wave model to the interference. Am J Phys 67(7):S5–S15
18 Student Learning Paths from Exploration of Optical Diffraction with Online. . .
237