Table 1: Learning and Training Time across Human Tutoring Spoken (14) and Typed (20) Conditions

Table 1: Learning and Training Time across Human Tutoring Spoken (14) and Typed (20) Conditions

Table 2a: Dialogue Characteristics in Human Tutoring Spoken (14) and Typed (20) Conditions

Table 2b: Zero-Order Learning in Human Tutoring

Table 2c: Learning after Controlling for Pretest

Table 2d: Additional Dialogue Characteristics in Human Tutoring Spoken (14) Condition

Table 2e: Learning in Spoken Human Tutoring

Table 2f: Removing “Groundings” Grounding Turns: Turns that aren’t preceded by a tutor question and that contain only canonical expressions (<…>)

Table 3: Learning and Training Time across Computer Tutoring Spoken (20) and Typed (23) Conditions

Table 4a: Dialogue Characteristics in Computer Tutoring Spoken (20) and Typed (23) Conditions

Table 4b: Zero-Order Learning in Computer Tutoring

Table 4c: Learning after Controlling for Pretest

Table 4d: Additional Dialogue Characteristics in Computer Tutoring Spoken (20) Condition

Table 4e: Learning in Collapsed Computer Spoken (20) and Typed (23) Tutoring

Table 4f: Learning in Computer Spoken (7) Tutoring: students with pretest scores < .4

Computer Tutoring Annotated Excerpt Tutor: What will the velocity of the object be a second after that (where the initial velocity is 9.8m/s the acceleration is 9.8m/s^2)? Student: thirty nine point two (NEUTRAL) Tutor: Well... 19.6 m/s. So at every point in time during the fall of the man and his keys, how do their velocities compare with each other? Student: same (WEAK NEGATIVE, IRRITATED) Tutor: Yeah. Now we will compare the displacements of the man and his keys. Do you recall what displacement means? Student: distance in a straight line (STRONG NEGATIVE, BORED, “fake voice”)

Table 1: Learning and Training Time across Human Tutoring Spoken (14) and Typed (20) Conditions