Problem:
An established Scent Company conducted a study to investigate whether smell affects sleeping habits. Subjects were exposed to a floral smell wall plug-in while sleeping for 3 nights and 3 nights without. Participants were randomly assigned whether they would be exposed to the floral-scented during the first 3 nights or during the last 3 nights. Researchers found that participants slept longer during the nights with the floral-scented wall plug-ins than the nights without. Which of the following could be lurking variables in this study? Select all that apply. Select all that apply: The subject's impression of the floral scent - positive, neutral, or negative The strength of the subject's sense of smell The location of subject's home The subject's age. Need Assignment Help?