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If results do not support the prediction, it means that the prediction was wrong.

# Unit 4 - Draw a Conclusion

When your experiment is finished, it is time to process the results and draw a conclusion. It does not matter whether the results support your hypothesis or not, what matters is that you analyse and interpret the results in a scientific way. This GCSE Biology quiz will help you to do just that.

First of all, you need to analyse your results and then decide what processing is required. Do you need to work out any averages such as the median, mode or mean? Which results, if any, need to be discarded? Would it be appropriate to produce a graph of your results and if so, what type of graph should you draw and what should be on the axes? Sometimes, no further processing is required but in the vast majority of experiments, you will need to do at least some processing before you can come to the final conclusion drawn from your experimant.

1.
A conclusion is...
based on the design of the experiment
a summing up of what the results show
the hypothesis
a statistical test
It should be linked to the original aim of the experimental work
2.
Conclusions are based on which of the following?
Hypothesis
Mean
Range
Results
Conclusions are always based on the results of the experiment
3.
We refer to this in the conclusion, and state whether the results agree.
Objective
Prediction
Data
Mean
Making predictions and then testing them to see if they are correct is called the scientific method. It works very well outside of science and can help you to avoid jumping to the wrong conclusion in many different situations in your life!
4.
What is the conclusion for the following data?

Temperature/degrees Celsius           Volume of gas/cm3

20                                                   5

30                                                   12

40                                                   26
As the temperature increased, the volume of gas decreased
As the volume of gas increased the temperature decreased
As the temperature increased, the volume of gas remained the same
As the temperature increased, the volume of gas increased
Always relate the two variables in the conclusion
5.
Conclusions are positioned...
at the start of the report
in the results table
at the end of the report
within the method
It is the logical place as a conclusion sums up what you have discovered from your investigation
6.
Which of the following is the correct order for writing up an experiment?
Prediction - method - results - conclusion
Conclusion - method - results - prediction
Results - prediction - method - conclusion
Prediction - method - conclusion - results
Prediction first, conclusion last
7.
If the results double every time the key variable is doubled, the conclusion will say the results are in...
direct proportion
indirect proportion
inconclusive
unusual
In investigations that have generated a set of figures in the results, always try to put a number on any correlation. It is not always obvious or possible though, so don't worry too much if you can't do this
8.
Results which disagree with the prediction are described as...
anomalous
outliers
not supporting the prediction
supporting the prediction
Always include a statement in the conclusion about whether the results support the prediction or not
9.
If results do not support the prediction, it means that...
the prediction was correct
the prediction could have been wrong
we rushed the experiment and must repeat it
we need to do more research
As well as this, there could have been errors in the experiment that generated incorrect or inconclusive results (results that neither agree or disagree with the prediction). Investigations with a conclusion like this are great for suggesting ideas for further work which will help you to gain good marks, even if your investigation did not go as hoped. It is an opportunity, not a disaster!
10.
What is the conclusion for the following data?

Height/mm           Mass/g

15                        26

20                        6

25                        31
As the height increased, the mass increased
As the height increased, the mass decreased
As the height decreased, the mass decreased
No trend in the data, inconclusive
This is a good example of the helpful extra comment in the previous question

Author:  Donna Maria Davidson