Cross Sectional Developmental Research Design
Gerald is conducting a cross-sectional developmental study involving elementary school children. Which of the following statements accurately describes his research?
A
The study will observe the same group of elementary school children over an extended period
B
The study uses a standardized method to measure developmental changes over time
C
The study will include samples of elementary school children from different age groups
D
The study must include participants from several different elementary schools
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