David is concerned that his clients and coworkers are reacti…

David is concerned that his clients and coworkers are reacting toward him in a negative way. You are a coworker of David’s and recently overheard two of  David’s clients talking about changing to a different professional because David’s fingernails are often not clean and his hair not well styled. In order to help your friend and also avoid offending him with specifics, how would you BEST advise David?

Researchers show high school students at Pine Tree High Scho…

Researchers show high school students at Pine Tree High School a video clip about the dangers of texting and driving and then track their texting and driving habits through an app on their phone for the next six months. Students at Oak Tree High School are not shown the video clip, but the researchers track their texting and driving habits through an app on their phone for the next six months as well. During those six months, there is no difference between the rate of texting and driving for the students at these two schools. This is an example of _______ research.