TIPIa Trait

N = 176

Optimismb

Zero Acquaintance

First Conversation

After Nine Weeks

Self

Group Consensus

Self

Group Consensus

Self

Group Consensus

Neuroticism

High (N = 82)

5.2

6.7

5.2

5.9

5.3

5.7

Low (N = 94)

6.7

6.8

6.4

6.1

6.5

6.3

Difference (high-low)

−1.5

−.1

−1.2

−.2

−1.2

−.6

t(174)

−4.33***

−.62

−3.77***c

−1.40

−3.12**c

−2.59*

Agreeableness

High (N = 82)

10.5

8.9

10.7

10.2

10.4

9.9

Low (N = 94)

9.6

9.1

10.0

10.0

9.5

9.6

Difference (high-low)

+.9

−.2

+.7

+.2

+.9

+.3

t(174)

+2.74**

−1.23

+2.31*c

+1.05

+2.54*

+1.05