| http://digfir-published.macmillanusa.com/video_speech_communication/video_speech_communication_ch1_1.html | Acknowledging opposing arguments to bolster credibility | 526e9298757a2e2056000000 |
| http://digfir-published.macmillanusa.com/video_speech_communication/video_speech_communication_ch1_1_dlap.xml | DLAP questions | 526e9298757a2e2056000000 |