All forms of commitment are positively related to performance.

According to the text, a framework that represents a set of interconnected ideas in an original way and inspires further research is the definition of ____

a. a research study b. a hypothesis c. a theory d. the scientific method

According to data cited in the text, in which of the following regions of the world is teen parenting LEAST common?

a. U.S. b. Japan c. sub-Saharan Africa d. None of the other answers is correct because teen parenting is equally common throughout the world.