1. Intensive interviewing seeks in-depth information using _____________ questions.
2. The number of main effects that need to be examined is _____ the number of independent variables.
3. A major advantage of case studies is ________.
4. A ____________________ is a relationship between two variables that allows us to make predictions.
5. An experimental study is one that _____.
6. Foreign-born _____ have highest levels of education in the hispanic population overall.
7. A scientific poll uses ________ sampling techniques.
8. Ideally, everything in the experimental situation except the __________ is held constant.
9. A true experiment involves the _____ of the independent variable.