A research study involving adults with schizophrenia looked at their facial expressions in home movies taken when they were children. The researchers were trying to determine if the development of schizophrenia could be predicted by facial expressions showing limited emotional reactions. This research study focused on the negative symptom called

How did the mountains on the oregon trail influence the timing of pioneers’ travels? a.) the pioneers wanted to avoid times when there was snow in the mountains. the pioneers wanted to spend as much time as possible enjoying the mountain scenery. b.) the pioneers crossed the mountains in late fall when the trees were bare and the views were good. c.) the pioneers were rugged people who were not impacted by the terrain they crossed at any time.