Teh effect that has nothing to do with the McCarthy hearings is The Afl and CIO merged. Have in mind that this merge was caused by the realization that those two groups would be much stronger and more effective as a single organization. McCarthy hearings had nothing to do with that, as he had a negative impact on the american society by compelling the American public to enter a state of anti-communist hysteria. This was so influencial that innocent people were maligned, ostracized, blacklisted and in some cases, imprisoned