Table 7 A comparison of Sam’s and Rebecca’s communicative approaches during the examined lessons (following Pimentel and McNeill 2013 and Mortimer and Scott 2003)
From: Promoting the asking of research questions in a high-school biotechnology inquiry-oriented program
Aspect of analysis | Sam | Rebecca |
|---|---|---|
Communicative approach | Authoritative/non-interactive | Dialogic/interactive |
Main teacher moves | Long speech acts, elaboration | Probing, re-voicing, toss-back |
Duration of the examined lesson part (min) | 19 | 40 |
Percentage of teacher talk (%) | 66 | 95 |
# of long teacher speech acts | 6 | 0 |
# of I-R-E closed chains | 2 | 14 |
# of long open chains | 0 | 28 |
# of closed teacher questions | 2 | 21 |
# of open teacher questions | 1 | 56 |