Chapter 1. Research Methods in Developmental Psychology

Infographic

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Scientific American: Psychology
Infographic Activity 8.1 Research Methods in Developmental Psychology

Research Methods in Developmental Psychology

Developmental psychologists use several research methods to study changes that occur with age. Imagine you want to know whether using social media helps protect against feelings of loneliness over time. How would you design a study to measure that? Let’s compare methods.

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1.1 Quiz

1. Bonnie is conducting a research study that examines blood iron levels and skin plasticity. She gets four groups of participants – 200 each – of 20-year old, 40-year old, 60-year old, and 80-year old people. She studies them all in the same way at this one point in time. Bonnie is conducting research using a(n) ________ design.

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2. Noted psychologist Lewis Terman wanted to know if having a very high intelligence quotient as a child made it easier to find/have success in life. He designed a study where he followed the same group of children, assessing them at regular time intervals, for several years. Some of his participants were tracked for decades. What kind of research did Terman conduct in this case?

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3. Dr. Sharp is conducting a study that examines how children from impoverished backgrounds develop language skills. With the parents’ consent, he studies one group of 3-year olds, another group of 4-year olds, and a third group of 5-year olds for a total of three years. The kids are assessed every six months for that three year period. When one group gets old enough to be removed from the study, another group is added at the youngest age. What kind of study is Dr. Sharp conducting?

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Correct.
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4. Of the different types of research used in the study of human growth and development, one is particularly good at showing changes both within individuals and between groups. Which type of design is that?

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Correct.
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5. Of the following, which is a particularly significant problem for a longitudinal study?

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D.

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6. With regard to the cohort effect, ________ studies are susceptible to this problem while ________ studies better address this problem.

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C.
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Correct.
Incorrect.

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