Nigel is interested in studying the exercise habits of inner-city children. He administers his survey once to a random sample of inner-city children. What kind of research strategy has Nigel used?
A) Cross-sectional approach
B) Longitudinal approach
C) Single-strata approach
D) Split-half approach

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The Answer of Nigel is interested in studying the exercise habits of inner-city children. He administers his survey once to a random sample of inner-city children. What kind of research strategy has Nigel used?
A) Cross-sectional approach
B) Longitudinal approach
C) Single-strata approach
D) Split-half approach

Nigel Is Interested in Studying the Exercise Habits of Inner-City