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Table 2 Definitions for codes that describe GTA behaviors

From: Characterizing science graduate teaching assistants’ instructional practices in reformed laboratories and tutorials

Type of behavior

GTA code

Abbreviated definition

Typical instructional behaviors

Lec

Lecturing to the class or making announcements

RtW

Real-time writing on the board, doc cam, etc.

FUp

Providing follow-up or feedback on activity

D/V

Showing a demonstration or video

M

Monitoring class or individual groups

Interactive behaviors

PQ

Posing a worksheet- or lab-related question

1o1-Talk

Talking to individual students or group of students one-on-one

1o1-TPQ

Posing a question to individual students or group of students

VF

Providing feedback to student responses

VM

Verbal monitoring

TI

Initiating one-on-one interaction with students

Noninstructive behaviors

Adm

Performing administrative tasks

W

Waiting and generally unavailable to students