Preservice physics teachers’ conceptual understanding (RCA), concentration factor and certainty (DoC) on special relativity theory by item.
| Principle | Effect | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| First postulate | Second postulate | Inertial Frame | Causality | Simultaneity | Time dilation | Length contraction | Velocity addition | ||||||||||||||||
| Q16 | Q18 | Q19 | Q20 | Q03 | Q04 | Q01 | Q02 | Q22 | Q23 | Q11 | Q12 | Q15 | Q21 | Q05 | Q06 | Q07 | Q08 | Q13 | Q14 | Q17 | Q09 | Q10 | |
| RCA | .63 | .29 | .71 | .67 | .55 | .76 | .53 | .53 | .39 | .53 | .29 | .82 | .10 | .12 | .47 | .59 | .31 | .63 | .75 | .92 | .53 | .33 | .33 |
| c-factor | .08 | .02 | .20 | .39 | .01 | .49 | .14 | .31 | .18 | .22 | .20 | .46 | .27 | .34 | .08 | .19 | .42 | .32 | .45 | .82 | .11 | .15 | .13 |
| DoC | .72 | .58 | .70 | .62 | .75 | .77 | .82 | .81 | .46 | .42 | .69 | .63 | .62 | .51 | .67 | .63 | .71 | .70 | .71 | .76 | .65 | .70 | .64 |