Question detail
Describe how you would design a fieldwork data collection sheet to minimise measurement error when recording the depth of a river at several points.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Numerical skills
Question
Describe how you would design a fieldwork data collection sheet to minimise measurement error when recording the depth of a river at several points.
Answer
The sheet should include a clear column for the measurement, a unit of measurement, a space for the observer’s initials, and a note on the method used (e.g., using a calibrated depth gauge). It should also have a column for any conditions that might affect accuracy, such as water flow or weather, and a procedure for taking multiple readings at each point to check consistency.
Explanation
The answer shows knowledge of accuracy, procedures, and reliability in data collection, directly addressing the objective.
Common mistake
Misunderstanding Sample Size Importance
Students often believe that a larger sample size does not significantly affect the reliability of data collection.
Emphasize that a larger sample size generally increases the reliability of results by reducing the impact of anomalies and providing a more accurate representation of the population.
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