| Table 13. Logistic Regression Analysis of Supreme Court Decisions on First Amendment Cases, 1954-1988 | |||||||
| Predictor | Before and After Brandenburg | Before Brandenburg Only | After Brandenburg Only | ||||
| Attitudes of Justices | -1.91 | *** | -2.13 | *** | -2.31 | *** | |
| (0.27) | (0.48) | (0.42) | |||||
| Brandenburg | -2.23 | *** | |||||
| (0.45) | |||||||
| Political Speech | -1.69 | ** | 1.53 | * | |||
| (0.55) | (0.86) | ||||||
| DOCTRINE | |||||||
| Likely and Imminent Risk of Lawless Action | 2.22 | *** | -5.81 | 5.38 | |||
| (0.59) | (13.85) | (20.06) | |||||
| Not an Issue | 0.32 | 0.50 | 6.49 | ||||
| (0.36) | (0.43) | (20.01) | |||||
| SETTING | |||||||
| Public forum | 0.16 | -7.46 | 0.26 | ||||
| (0.66) | (13.88) | (1.47) | |||||
| Semi-public forum | 0.83 | 1.34 | 0.00 | ||||
| (0.69) | (1.09) | (1.47) | |||||
| Not an Issue | 0.42 | 0.37 | 0.98 | ||||
| (0.74) | (1.23) | (1.25) | |||||
| GOVERNMENT | |||||||
| Federal | 0.35 | -8.22 | 2.82 | *** | |||
| (0.46) | (13.84) | (1.08) | |||||
| State | -0.40 | -8.99 | 5.45 | *** | |||
| (0.44) | (13.85) | (1.94) | |||||
| School or University | -2.14 | ** | -17.91 | [no cases] | |||
| (1.07) | (27.64) | ||||||
| No Government | 0.70 | 1.15 | [no cases] | ||||
| (0.66) | (0.83) | ||||||
| SPEAKER | |||||||
| Communist | -1.68 | *** | -8.44 | 5.24 | ** | ||
| (0.63) | (13.83) | (2.12) | |||||
| Racial Minority | -1.70 | *** | -8.85 | 3.23 | * | ||
| (0.50) | (13.80) | (1.75) | |||||
| Other | -0.73 | -10.34 | 5.54 | *** | |||
| (0.57) | (13.85) | (1.86) | |||||
| Constant | 2.60 | ** | 16.10 | -14.43 | |||
| (1.02) | (27.63) | (20.18) | |||||
| Chi square | 132.80 | *** | 83.92 | *** | 106.47 | *** | |
| (15 d.f.) | (13 d.f.) | (12 d.f.) | |||||
| R-squared | 0.24 | 0.25 | 0.49 | ||||
| % Correctly Predicted | 76.01 | 75.78 | 83.64 | ||||
| % Reduction in Error | 34.85 | 34.73 | 55.01 | ||||
| N | 421 | 256 | 165 | ||||
| Chow Test Chi Square | 87.98*** | ||||||
| (13 d.f.) | |||||||
| * | significant at p<.10 | ||||||
| ** | significant at p<..05 | ||||||
| *** | significant at p<.01 | ||||||