Observation: The first step in the scientific method is observation. This involves identifying an event or phenomenon that requires understanding. Observations need to be made as objectively as possible, without any preconceived notion or bias.
Question: Observation leads to the question. A question must be answerable using scientific methods. Then, a hypothesis is developed. Hypothesis is an explanation based on available data, facts, and prior knowledge. A hypothesis must be testable and falsifiable. It should give a clear prediction of what should be observed if the hypothesis is correct.
Experiment: An experiment is designed to test the hypothesis. An experiment involves manipulating an independent variable (the variable being tested) and observing the effects on a dependent variable (the variable being measured). Control groups are used to isolate the independent variable to measure the effect it has on the dependent variable. The results of the experiment are then analyzed, and conclusions are drawn from these results.
Data analysis: The data collected during the experiment is analyzed, and statistical tests are used to determine the probability of the hypothesis being correct. If the probability is high, then the hypothesis can be accepted as true. The data must be analyzed objectively without any bias.
Conclusion: The conclusion is a summary of the results of the experiment. The conclusion can be both positive or negative. Regardless of the outcome, it is essential to document the conclusion objectively and explain why the hypothesis is either accepted or rejected.
Communication: Once the conclusion is reached, it is important to share the findings and methods with the scientific community. This includes sharing details of the experiment and the results, along with any limitations or assumptions made during the research. It allows other scientists to validate the findings and replicate the experiment to test the results.
Limitations of the Scientific Method: Despite being a systematic and objective approach, the scientific method has limitations. Some variables of interest cannot be manipulated or controlled in an experiment. This issue arises when studying natural phenomena like the weather. Social and cognitive variables cannot be precisely controlled in experiments as well. Additionally, experiments are often conducted in controlled conditions, which may not necessarily reflect the real-world environment.
In conclusion, scientific method is a systematic approach used to understand the natural and social world. It involves observing, questioning, designing and conducting experiments, analyzing data, and drawing a conclusion. Science takes a methodical approach to eliminate bias and gather information that allows for improved understanding of the world around us. Regardless of the limitations associated with the scientific method, it remains a powerful tool for understanding and improving the world we live in.