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Section - A
Prediction/Hypothesis - The affect of the independent variable on the dependent. Your answer does not need to be scientifically correct, however, it must link the independent and dependent variables. |
Risk assessment - Your control measure must relate to your risk. Consult the terminology table for definitions of hazards, risks, and control measures. |
Table - Independent variable in the 1st column (minimum value to maximum value). The resolution (decimal places) must remain constant in your table. Means are usually not in the instructions, but they are required if you are doing repeats. The mean should be in a multi-column with the dependent variable. |
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Section - B
Graphs - Follow LUSH (labels, units, scale, heading). Labels and units must match your table. Scale can be any variation of 1s, 2s, and 5s (i.e. 0.1, 20, 5000). A main heading is not required. The graph must fill the most amount of the graph paper as possible, and, for this reason, the origin does not have to be (0,0). The line of best fit does not have to go through the origin, even if it's supposed to, and anomalies should be ignored when drawing the LOBF. You should aim for an equal number of points above and below the best fit line, and the line must be neat to be marked. |
Experimental Inaccuracies - You may need to theorise any potential limitations with the experiment you conduct, and come up with realistic solutions to those problems. To do this, knowledge of the theory regarding your experiment is essential, and you must also be aware of things such as repeatability and reproducibility which are used to validate conclusions. A common example of experimental inaccuracies is increasing sample size. This can be done by experimenting on different ages, genders, and ethnicities. Clues in the question will provide you with hints as to if the subjects in the experiment represent the whole population. |
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