3. A developmental psychologist is interested in whether children’s age (3 vs. 4

Question

3. A developmental psychologist is interested in whether children’s age (3 vs. 4 years) plays a role in their speed of mimicking caregivers’ facial expressions. He brings three- and four-year-old children into the lab with their caregivers and asks their caregivers to play a game with their children that involves an exercise in facial expression mimicry. He records the speed with which the children mimic their parents during the game. In a survey at the end of the study, he asks the parents to report their children’s ages.

a) Is this study experimental or non-experimental?

b) What is the name of the IV?

c) What are its levels?

d) Is it manipulated or measured?

e) Is it within- or between-subjects?

f) What is the DV?

g) Is random assignment employed?

h) If the researcher were to discover that four-year-olds’ speed of mimicry is faster than that of three-year-olds, what would be an accurate conclusion to draw? What would be an inaccurate conclusion to draw?

Explanation / Answer

a) The study is a non-experimental is it involves the observation of behaviours.

b) The independent variable is age.

c) The levels of the independent variables are 3 years and 4 years.

d) The independent variables are measured.

Please post the other questions separately as we are supposed to answer just one question or four sub parts of a question.

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