How To Write A Conclusion For Biology Coursework A2

Edexcel Syllabus A Geography Coursework Guidance

Assessment Criterion 4 - Analysis and conclusions (15 marks)

This section should:

a describe what the data shows

b include analytical comments that relate the data to the original aim(s)

c identify, where appropriate, any links or relationships between different data sets

d where relevant, consider the values and attitudes of people involved

e return to the original aim(s), and consider to what extent the question has been answered, the problem solved or the hypothesis proved

f show an appreciation of the limitations of the study and suggest how it could be improved or taken further.

 

Level One

Makes statements describing the data. If relevant, there is some awareness of the different attitudes of some of the individuals and groups involved. There are some general concluding comments which have a link with the original aim(s).

1-5

Level Two

The data is described in detail, and at the upper end of this mark
range there is some genuinely analytical comment. If relevant, some links/relationships between data sets, and/or the different attitudes of many of the individuals or groups involved, are identified. Concluding comments derive from the data collected, and there may be some awareness of the inherent limitations of the study and/or suggestions for taking the study further.

6-10

Level Three

Data is analysed in detail, making links, where relevant, to appropriate geographical theory. If quantitative analysis is attempted, it is used accurately and appropriately. Identifies and shows relevance of any links/relationships between data sets and/or the attitudes and values of most of the parties involved. Draws sound conclusions, explicitly supported by evidence, clearly related to the objectives of the study. Shows an awareness that explanations may be incomplete, and suggests how the study could be improved/taken further.

11-15

 

Results

According to my experiments, the Energizer maintained its voltage (dependent variable) for approximately a 3% longer period of time (independent variable) than Duracell in a low current drain device. For a medium drain device, the Energizer maintained its voltage for approximately 10% longer than Duracell. For a high drain device, the Energizer maintained its voltage for approximately 29% longer than Duracell. Basically, the Energizer performs with increasing superiority, the higher the current drain of the device.

The heavy-duty non-alkaline batteries do not maintain their voltage as long as either alkaline battery at any level of current drain.

Conclusions

My hypothesis was that Energizer would last the longest in all of the devices tested. My results do support my hypothesis.

I think the tests I did went smoothly and I had no problems, except for the fact that the batteries recover some of their voltage if they are not running in something. Therefore, I had to take the measurements quickly.

An interesting future study might involve testing the batteries at different temperatures to simulate actual usage in very cold or very hot conditions.

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