Before conducting the experiment, write its procedure as a clear sequence of steps. Specify how each step will be performed and how observations and numerical data will be collected and recorded.

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Planning the experiment for a lab report groups four sequential sub-steps: (1) select the variables by identifying the independent, dependent, and control variables; (2) choose a control group to serve as a baseline for comparison; (3) determine the sample size needed to obtain statistically significant results; and (4) outline the detailed procedure, including how data will be collected and recorded.

Steps of Writing Lab Reports Experimental Findings: Plan the Experiment

Identify your independent variable (what you will change), dependent variable (what you will measure), and control variables (what you will keep the same).

Writing Lab Reports Plan the Experiment - Step 1: Select the Variables

If applicable, decide on a control group for the experiment. This group will not be exposed to the independent variable and will serve as a baseline for comparison.

Writing Lab Reports Plan the Experiment - Step 2: Choose a Control Group

Decide how many subjects or samples will be needed to achieve statistically significant results.

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