16-year-old Sally primps in front of every mirror she comes across and believes that she is the focus of everyone's attention—even fictitious observers. Sally is demonstrating __________

In middle childhood, boys increasingly use _____________ traits to describe themselves whereas girls increasingly use ______________ traits to describe themselves

a. masculine; feminine b. feminine; feminine c. masculine; masculine d. feminine; masculine

Researchers at a local power plant company increase the level of lighting in the

workplace to study the impact of this increase on performance. However, they found that the effect occurred because of the presence of the researchers, not the increase in luminance. Which of the following best describes this type of experiment? A) Naturalistic observation B) Field Study C) Lost letter technique D) MUM effect