Teachers’ professional development (PD) receives a great deal of attention in current educational settings. However, research has shown that many teachers hesitate to attend PD programs. In this study, data were collected from 270 elementary school teachers and were subjected to confirmatory factor analysis and structural equation modeling to examine their intention to attend the weekly PD programs on Wednesday afternoons (PDWAP). The results revealed that the participants value the acquisition of pedagogical content knowledge (PCK) more than they value pedagogical knowledge (PK) and content knowledge (CK) because of the expected usefulness of each for teaching. Moreover, the results of this study have implications for PD program design, and call for a stronger focus on PCK. AbbreviationAdjusted Goodness of Fit Index (AGFI); Analysis of Moment Structures(AMOS); average variance (AVE); Chi-square(); content knowledge (CK); continuing professional development (CPD); Comparative Fit Index (CFI); degree of freedom (df); expectancy-value theory (EVT); Goodness of Fit Index (GFI); Incremental Fit Index (IFI); Mean(M); Parsimonious Goodness of Fit Index (PGFI); Parsimonious Normed Fit Index (PNFI); Parsimonious comparative-fit-index (PCFI); pedagogical content knowledge (PCK); pedagogical knowledge (PK); professional development (PD); professional development programs on Wednesday afternoons (PDWAP); Root Mean Square Error of Approximation (RMSEA); standard deviation (SD); structural equation modeling (SEM); square of multiple correlation coefficients (R2); Teaching Beliefs Survey (TBS); theory of planned behavior (TPB); Tucker-Lewis Index (TLI); United Kingdom (UK).
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