5. Which of the following statements is true about the dependent variable in the relationship?
Answer: B
Height is the dependent variable because the height of the child depends on the length of time that has passed since birth.
The dependent variable in this context is height, as it is influenced by the length of time since birth. This relationship illustrates how growth, measured by height, progresses over time.
A) Height is the dependent variable because the height of the child depends on the length of the mother's pregnancy.
This statement is incorrect because the height of the child is not determined by the length of the mother's pregnancy. While prenatal factors can affect growth, the dependency of height is more accurately related to postnatal factors such as time since birth and subsequent growth.
B) Height is the dependent variable because the height of the child depends on the length of time that has passed since birth.
This statement is correct as it accurately identifies height as the dependent variable that changes based on the time elapsed since birth. Height increases as children grow older, making it directly reliant on time.
C) Time is the dependent variable because time depends on the number of months that have passed since birth.
This statement is incorrect because time is an independent variable; it continuously progresses regardless of other factors. The number of months after birth is simply a measure of elapsed time and does not depend on any other variable.
D) Time is the dependent variable because the height measurements of the child are taken every 3 months.
This statement is incorrect as it misrepresents the relationship between time and height. While height measurements are taken at intervals, time itself does not depend on these measurements. Instead, it is a constant, independent variable that allows for the assessment of changes in height.
Conclusion
The correct answer is B, as it appropriately identifies height as the dependent variable influenced by the time since birth. All other options fail to accurately represent the relationship between the variables, either misidentifying the dependent variable or misunderstanding the nature of time in this context.