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.
Human infants are like all other placental mammals, except they are born at a less developed state.
Nicholas Nixon, The Brown Sisters.
Blood pressure test
Alternative for pass-point test