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Harvey Buckle

on 1 March 2017

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Transcript of Reliability

1st March 2017
To know how to assess and ensure reliability
To demonstrate this with an experiment
Repeats and validity

A scientist may take a set of measurements, or make some observations, and draw conclusions from them. If the scientist can repeat this activity, and get similar data, this provides more evidence to support those conclusions. The conclusions are therefore more likely to be valid.

Some questions!!!
Practical design - rolling marbles
REPEAT any measurements that you feel that you need to
You have calculated your averages, take the average values and plot a graph of your results....does it produce a smooth line?
Listen to Mr Harvey
Complete the experiment, collect your results and calculate averages
Full transcript