Maslow's term for fears about one's abilities is

A) the Jonah complex.
B) the need for succorance.
C) conditions of worth.
D) self-non-actualization.

External validity refers to the extent to which one can infer that an independent variable has influenced the dependent variable-that is,has caused the difference in behaviors between the participants in the different experimental conditions.

David just started saying single words such as "mama" and "doggie." About how old is David likely to be?

A) 3 months
B) 6 months
C) 12 months
D) 24 months