Seventy-eight-year-old Emily is asked to participate in a study on aging and memory. When she enters the room to take the memory test she sees that all of the other subjects are 25 years younger. Emily's scores end up being significantly lower than the scores of others despite having no symptoms of dementia. Emily's scores were affected by:

stereotype threat

Explanation:

Stereotype threat  is define as the worrisome mood of an individual about exhibiting a particular behavior that admits or confirms negative stereotypes about members of their group.  this has an effect in the performance of a person and can easily influence it. it is a form of distractions and most times stressful for anyone who has  it.

A typical example is when a man was to write a nursing exam, due to the fact that nursing practice is dominated by the female sex, the man may think that any poor performance from him will make people generalize that males are not cut out(suitable or capable) for the nursing profession