Multiple Choice
A researcher is conducting a longitudinal study on helping behaviours among older adults in Alberta. Every five years each participant completes a survey related to volunteer work and charitable donations. The researcher collected data in 2016, a year when a wildfire destroyed Fort McMurray, Alberta, and many people in the province donated their time and money to help those affected. What might the fire introduce to the research study?
A) age effect
B) time of measurement effect
C) maturation effect
D) practice effect
Correct Answer:

Verified
Correct Answer:
Verified
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