For each item
1) Select the best scientific method(s) to
study the problem. Justify your choice.
2) Discuss some of the limitations in
interpreting the results of the study.
1) Case study
ii) Overt or covert
researcher stands near the cafeteria cash register and records what percentage of students include a vegetable item for
records are used to determine whether income at 25 years old is associated
with a college degree.
video monitor is used to record how teenagers tend to behave on dates at
researcher interviews and administers tests to determine why Shirley, a
promising student, dropped out of medical school and became a recluse.
the quiz, the professor asks students whether they had reviewed their
lecture notes. She wants to measure if there is a relationship to their
researcher has children play either a violent or an educational spelling computer
game. She later measures whether the violent game increased aggressive
behavior in the playground.
- A biopsychologist
wants to discover what brain waves (EEG) are present when participants are
watching a boring video on house painting.
questionnaire asks students whether they regularly eat breakfast before
coming to school.
educator believes that students need good role models on their physics
textbook, and designs book covers that depict either a female scientist or
a male scientist. At the end of the semester, she asks female and male
students 1) if they would consider a career in science and 2) who is on the cover of the