Study Ignited News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> reporter: these are questions that we along with cnn soledad psychogists hired by cnn spent months investiting through tests, interviews with children, and their parents. but there are questions that have been asked for decades. the first study ignited controversy in the 1940s when kenneth and mamie clark pioneered studies in the effects of segregation in schools by asking african-american kids to choose between black and white dolls. the so-called doll test found black kids overwhelmingly preferred white over black. those results were the center of the landmark 1954 supreme court case brow...

The skin color that most adults don't like. >> reporter: these are questions that we along with cnn's soledad o'brien and a team of psychologists hired by cnn spent months investigating through tests, interviews with children, and their parents. but they are questions that have been asked for decades. the first study ignited controversy in the 1940s when kenneth and mamie clark pioneered studies in the effects of segregation in schools by asking african-american kids to choose between black and white dolls. the so-called doll test found black kids overwhelmingly preferred white over black. tho...

>> show me the child who has the skin color most adults like. >> and show me the child who has the skin color that most adults don't like. >> reporter: these are questions that we along with cnn soledad o'brien and a team of psychologists hired by cnn spent months investigating through tests, interviews with children, and their parents. but there are questions that have been asked for decades. the first study ignited controversy in the 1940s when kenneth and mamie clark pioneered studies in the effects of segregation in schools by asking african-american kids to choose between black and white ...