Professor, I've got some questions and would appreciate your easy/clear answers. ^_^
I understand how you coded the data with RU category (Reversible Utterances) and quantified uptakes with the number of semantic units, which is a good idea. Let me show you a few things I am not sure about from your analysis:
T: Now look at the picture. NU (I) Uptake = 0
What do you see? NU (I) Uptake = 0
S3: A calendar! SV RR Uptake = 0
T: Yes, there is a calendar. IU RR Uptake = 2
Why is the number of uptakes 2, not 1? What are the two sementic units that were uptaken? Are they omitted 'There is' and 'a calendar'?
(pointing) The boy and the girl are looking at the calendar. SV RR Uptake = 1
What is the month? RR Uptake = 0
Ss: May. SV RR Uptake = 0
T: Right. RR Uptake = 0
What else do you see? NU (I) Uptake = 0
S4: A boy and a girl. SV RR Uptake = 0
T: A boy and a girl? IU RR Uptake = 2
(I guess 'a boy' and 'a girl' are the two units in this case, right?)
(pointing) There is another boy here. RR Uptake = 1
There are TWO boys and a girl. SV RR Uptake = 1
What's this girl's name? RR Uptake = 1
S4: Mmm... Nami? SV RR Uptake = 0
T: Nami? IU RR Uptake = 1
But she has dark hair. SV RR Uptake = 0
She's Korean. SV RR Uptake = 0
Look! NU (I) Uptake = 0
This girl is not Korean. SV RR Uptake = 1
(Why Uptake = 1? Is it 'this girl' or 'Korean'? Either way, isn't it from a T's utterance to another T's utterance? Can that be an uptake, too, within one's turn? Or is it a mere typo?)
(Ss flipping through the book) RR Uptake = 0
T: Yeah, you can find her name in the front. (flipping the book) RR Uptake = 0
S5: Ann. SV RR Uptake = 0
T: Yeah, she's Ann. IU RR Uptake = 1
Who is he? NR RR Uptake = 0
With this, did you mean 'RR'? What is "NR" in your analysis? I guess it's a typo.
Ss: Jinho. SV RR Uptake = 0
T: Jinho! IU RR Uptake = 1
And this boy is? SV RR Uptake = 0
Ss: Joon! SV RR Uptake = 0
T: Yes. RR Uptake = 0
Now look at Joon's face. SV NU (I) Uptake = 0
He's smiling. RR Uptake = 0
How does he feel? RR Uptake = 0
Ss: Happy! SV RR Uptake = 0
T: Why is he happy? IU, SV RR Uptake = 1
Can you guess? NU (I) Uptake = 0
S6: His birthday is May fifth. SV RR Uptake = 0
T: Oh, yeah. RR Uptake = 0
Maybe his birthday is May fifth. IU RR Uptake = 0
Is this 0 uptake because it comes after "Oh, yeah."? But isn't it immediate enough after the S6's turn? I think it should be at least uptake = 2. No?
Now look at Ann's face. NU (I) Uptake = 0
How does she feel? RR Uptake = 0
Ss: Happy! SV RR Uptake = 0
T: Why is she happy? IU, SV RR Uptake = 1
Can you guess? NU (I) Uptake = 0
S7: Mmm.. Ann is going to Joon's birthday. SV RR Uptake = 0
T: Ah~! Ann is INVITED to Joon's birthday party. SV RR Uptake = 3
Now look at Jinho's face. NU (I) Uptake = 1
How does he feel? RR Uptake = 0
S8: Very bad.... Sad! SV RR Uptake = 0
T: Yeah, he looks sad. IU, SV RR Uptake = 1
WHY~ do you think he is SAD? SV NU (I) Uptake = 1
Why is he sad? NU (I) Uptake = 1
Can you guess? NU (I) Uptake = 0
I understand that "Why do you think he is sad?" and "Can you guess?" are NUs because the utterances are inappropriate for students to say, but why is "Why is he sad?" an NU, specially, compared to the above (underlined) "Why is he happy?" being an RR.
S9: He's not .... invited. IU, SV RR Uptake = 0
T: Oh! He's NOT invited to Joon's birthday party. IU, SV RR Uptake = 1
S10: Ann ate his birthday ... cake. 케잌을... SV RR Uptake = 1
T: Oh, Ann ate Jinho's birthday cake, so he's... IU, SV RR Uptake = 4
(in a different voice) "I'm going to go to your party and eat your cake!" RR Uptake = 2
(Ss laugh) Uptake = 0
T: We'll find out as we watch the video. IU (I) Uptake = 0
I guess you meant 'NU' here, right?
Okay, another thing is....
You mentioned that you couldn't understand why Jinho is happy in the data whereas the picture shows otherwise. The teacher and students say that Jinho feels SAD, not happy. It's Joon they think is happy. I don't have the book now, so I can't verify it, but I think Joon has a sort of smile on his face. Even if not, students perceived it that way, so the teacher accepted it, I guess.
Next, I agree with you that there are a lot of reversible utterances in the teacher's turns. Now, how about the roles? Would you agree that students can't take on the teacher's role of rebroadcasting?
When the teacher UPTAKES from the students and "rebroadcasts" to the class, should we really say that the exchange is assymetrical?
Do you mean that if the teacher is only uptaking and rebroadcasting students' utterances, it's not so assymetrical?
Lastly,
Who is AUTHORING the turn? (See Kwon and Kellogg!)
What does this mean? Please elaborate it. Thank you very much.