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Table 5 Regression results of the parameter sweep

From: Development and verification of an agent-based model of opinion leadership

Independent variable

B

SE

β

Significance

df

F

Significance

R square

Adjusted R square

SE

A. An agent’s motives and prior beliefs predict his visibility

Prior beliefs

1.410

.149

.486

<.001

2

47.999

<.001

.252

.247

37.812

Motives

−.362

.149

−.125

.016

      

B. An agent’s visibility and authority predict his credibility

Earned authority

.474

.008

.953

<.001

2

1623.452

<.001

.919

.919

2.129

Visibility

−.014

.003

−.081

<.001

      

C. An agent’s prior beliefs and the evidence predict his new beliefs

Prior beliefs

.192

.046

.207

<.001

2

98.901

<.001

.410

.406

8.683

New evidence

.404

.038

.528

<.001

      

D. The number of visible agents and the credibility threshold of the unit predict the number of agents available to give advice

Visibility

.142

.015

.469

<.001

2

70.898

<.001

.332

.328

10.801

Credibility threshold

−.519

.078

−.322

<.001

      

E. The agents’ prior beliefs, the probability of the new evidence and the evidence announcer credibility predict the number of agents who will need advice

Prior beliefs

.178

.094

.094

.060

3

67.291

<.001

.415

.409

17.701

New evidence

−.078

.078

−.050

.316

      

Announcer credibility

−1.944

.140

−.634

<.001

      

F. Agents who revise their assessment of the evidence and the credibility of the evidence announcer based on advice revise their beliefs

Number of agents with revised evidence assessment

−.080

.193

−.024

.678

2

36.188

<.001

.203

.197

39.016

Number of agents with revised assessment of announcer credibility

1.711

.215

.459

<.001

      

G. When agents who need advice receive it, the number of people with revised beliefs is predicted

Give advice

1.059

.206

.288

<.001

2

22.001

<.001

.134

.128

40.664

Need advice

.532

.106

.282

<.001