Which early theory of personality development stands most strongly on scientific footing?

Jack said, "I want to rule the world." What type of need is this?

a) need for achievement b) need for affiliation c) need for power d) need for sex

The number of times the heart beats each minute

A. is defined as stroke volume B. at rest is consistently lower in childhood than in adulthood C. is defined as heart rate D. is defined as stroke volume AND at rest is consistently lower in childhood than in adulthood E. at rest is consistently lower in childhood than in adulthood AND is defined as heart rate