Dr. Brown developed a psychological test to measure anxiety. She ...

[pragya sharda]

Dr. Brown developed a psychological test to measure anxiety. She then conducted several additional studies in which she showed that scores on her test are higher for college students during finals week, people diagnosed with anxiety disorders, and
 
  people high in psychophysiological measures of anxiety. Dr. Brown's additional studies help demonstrate the __________ of her test.
  a) external validity
  b) internal validity
  c) independence
  d) prevalence

Question 2

Why did Nathaniel Kleitman and his students and other volunteers spend over a month in a cave?
 
  a) He wanted to see if people could adapt to a 28-hour day.
  b) He wanted to see how the lack of natural light would affect levels of depression.
  c) He was interested in how the cold in the cave would impact the functioning of the immune system.
  d) He was interested in how groups would form when everyone was in a potentially dangerous situation.

[xthemafja]

Answer to Question 1

a

Answer to Question 2

a

[pragya sharda]

Thanks for the timely response, appreciate it

[fatboyy09]

Excellent