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A student performed a sampling technique as part of a first-hand investigation on water quality and repeated the sampling technique several times - HSC - SSCE Chemistry - Question 12 - 2005 - Paper 1
Question 12
A student performed a sampling technique as part of a first-hand investigation on water quality and repeated the sampling technique several times. What aspect of th... show full transcript
Worked Solution & Example Answer:A student performed a sampling technique as part of a first-hand investigation on water quality and repeated the sampling technique several times - HSC - SSCE Chemistry - Question 12 - 2005 - Paper 1
Step 1
What aspect of the experiment was improved by repeating the procedure?
Answer
Repeating the sampling technique improves the reliability of the experiment. Reliability refers to the consistency of a measure. By conducting the experiment multiple times, the student can ensure that the results are repeatable and thus more dependable. This repetition helps to account for any anomalies in the data, leading to more trustworthy conclusions about water quality.