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 |