Dr. ruth decided to assess whether sexual stimulation affected people's laughter. she showed married couples either sexually stimulating or nonsexually stimulating movie scenes. then the couples watched a comedy skit and dr. ruth's assistants measured how much the couples laughed. in this research, the dependent variable consisted of:

Which type of market produces the highest level of output at the lowest price to consumers?

Which statement about spreading knowledge of diseases and health around the world is correct?

Hegyes was driving her car when it was negligently struck by a unjian enterprises truck. she was injured, and an implant was placed in her body to counteract the injuries. she sued unjian, and the case was settled. two years later hegyes became pregnant. the growing fetus pressed against the implant, making it necessary for her doctor to deliver the child 51 days prematurely by cesarean section. because of its premature birth, the child had a breathing handicap. suit was brought against unjian enterprises for the harm sustained by the child. was the defendant liable?