Child Growth Research on Child Development Essay
UNIT 2
RESEARCH ON CHILD DEVELOPMENT
1. A researcher is interested in studying cooperative and competitive behaviour in siblings.
How might he use (1) systematic observations and (2) self reports to measure sibling
behaviour? Explain each type of measure and give an example of how each could be used
to measure cooperation and competition between siblings.
2. Describe the correlational and experimental research designs. Discuss the strengths and
weaknesses of each design.
3. Using examples from everyday life, explain why a correlation between two variables does
not prove a cause and effect relation between the variables.
4. A researcher wants to see if watching a violent movie leads to more aggressive behaviour
in preschool children. How should the researcher proceed? Be sure to discuss sampling,
assignment to conditions, and choice of independent and dependent variables.
5. Describe longitudinal and cross-sectional research designs. What are the strengths and
weaknesses of each design?
6. A researcher wants to examine the changes in the stability of friendship between first and
third grade. Should the researcher use a cross-sectional or a longitudinal design? Explain
why you would select that specific design.
7. Do you believe that the potential benefits to research justify the use of deception by the
researcher?
8. What are four ways that child-development researchers can influence social policy?
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