Dr. Jones wants to increase aggressive tendencies in her experimental participants. Which of the following substances could she use to increase aggressive tendencies?

An investigator measures the peer friendships of 7th- 8th-, and 9th-grade students, then takes similar measures of the same students one year and two years later. This approach is known as a(n) _____ study

A) cross-sectional B) repetitional C) sequential D) experimental

The so-called ________________ model makes use of three factors—satisfaction, alternatives, and investments, to explain why people stay with their long-term relationship partners

Fill in the blank(s) with correct word