Research is important for advancement in any field of study. However, there is often debate on what is the best practice for studying human psychology. Statistics give us a scientific understanding of trends and the experiences of groups. Case studies, on the other hand, provide a detailed look at an individual’s experience and personal factors. Both are essential in the field of psychology and beyond.

Statistics

When talking about research statistics are usually the first measurements to come to mind. These are quantifiable, scientific measurements that allow us to study trends, recognize correlations, and evaluate the overall effectiveness of treatments or provide general advice. 

Statistics are an efficient way to study a larger population which adds validity to studies. Additionally, scientific research methods allow us to simplify complicated issues, making them easier to understand. So many factors can play into any given problem that it can be difficult to make sense of it all. By looking at general trends, we can identify and isolate certain factors that have the biggest influence. This is how we are able to identify causes of problems and find effective solutions. 

Focusing only on the most common trends does have its downside however. Statistics are often limited by the specific variables that are being studied. This can cause us to overlook important factors and biases. Statistics are powerful, but they can also be harmful when we reduce people to numbers and forget that not everyone will have the same experience. 

Case Studies

Case studies involve a deeper look at a single subject. While it is difficult to establish trends or make generalizations based on case studies, they are vital to identifying individual variables and reminding us that there are people behind these studies.

Case studies allow us to look at an individual’s unique circumstance and how their factors impact them. This may help us recognize factors that have been overlooked by statistics or even identify sampling bias in research. Individual case studies often inspire larger scale research. They also can be used to highlight that there are always outliers in any trend.

It can be easy to forget that there are people behind studies when looking at numbers and charts. Case studies serve as a reminder that this research involves individuals each with their own lives. This helps bring empathy into what otherwise could be a cold, analytical field of research. People viewing the case studies may also be moved to action or feel more connected to a case study that showcases an individual they can relate to. 

An Essential Combination

When it comes to discussion around the use of statistics and case studies, we lose the point in debating which is better. Both are essential – especially in the fields of psychology and medicine. Scientific advancement relies on both numbers and stories. Statistics bring science to research. Case studies help scientific research maintain its humanity.

If you would like to learn more about research methods, check out the following resources…

On the Importance of Learning Statistics for Psychology Students (Association for Psychological Science)

Statistical Methods in Psychology Journals (American Psychological Association)

The case study approach (National Library of Medicine)

5 Benefits of Learning Through the Case Study Method (Harvard Business School)

And stay tuned for future posts on research strategies and more. Thanks for reading!