Question

can someone help with a few psychology questions I am having trouble with?
1. Which of the following study types involves fixed questions?
psychological test
longitudinal study
naturalistic observation
cross-sectional study
2.A study that traces an individual's development from birth to twenty-five years of age makes use of
psychological tests
the cross-sectional method
the interview method
the longitudinal method
3. One way to overcome bias in an interview is to use
closed-ended questions
a representative sample
a psychological test
all of the above