A researcher is interested in the effects of self-esteem on people's choice of romantic partner. She asks her study participants
to complete a measure of self-esteem and to bring in separate photos of themselves and their significant others. She then has these photos rated for attractiveness by a panel of independent judges, and relates the relative attractiveness of a person's significant other to the person's self-esteem. The study just described is a(n):
Communist forces ended the war by seizing control of South Vietnam in 1975, and the country was unified as the Socialist Republic of Vietnam the following year "Vietnam War: Causes, Facts & Impact - HISTORY"