Lee's secondary love style, pragma, is a combination of _________ and ludus primary love styles

Dr. Tutu uses a twin study to determine the influence of heredity on emotionality. If emotionality is influenced by heredity, he will find that the level of emotionality is more similar in

a. sibling pairs than in identical twins. c. fraternal twins than in identical twins. b. fraternal twins than in sibling pairs. d. identical twins than in fraternal twins.

Research relying on existing research can best be described as:

A) Field study B) Experimental research C) Archival research D) Anecdotal research