Variable

Condition

Synchrony

Asynchrony

Control

M (95% CI)

M (95% CI)

M (95% CI)

F

df

p

η p 2

Intentional Coordination Manipulation

Social

IOS

2.0x (1.7, 2.3)

1.8x (1.6, 2.0)

1.5y (1.3, 1.7)

3.92

2186

0.021

0.041

Affiliation

35.2x (31.5, 39.4)

33.6x (29.9, 37.7)

25.8y (22.5, 29.2)

6.82

2189

0.001

0.067

Task

Motivated

44.5 (37.8, 51.2)

46.8 (41.3, 52.4)

45.0 (39.0, 51.6)

0.16

2189

0.849

0.002

Contribute

52.0 (50.0, 54.0)

51.3 (48.2, 54.0)

50.8 (48.6, 53.1)

0.23

2189

0.796

0.002

Collaborative Problem-solving Task

Social

IOS

3.2 (2.9, 3.6)

3.1 (2.8, 3.4)

2.7 (2.4, 3.0)

2.62

2189

0.076

0.027

Affiliation

49.7 (45.1, 54.4)

46.5 (41.9, 50.8)

42.7 (37.8, 47.6)

2.28

2188

0.105

0.024

Task

Motivated

56.0 (49.1, 63.0)

56.2 (50.0, 62.5)

53.0 (46.7, 59.2

0.31

2189

0.738

0.003

Contribute

50.6 (48.0, 53.1)

50.5 (47.7, 53.2)

50.8 (47.7, 53.9)

0.15

2189

0.985

0.000