1The researcher employed a systematic approach to data collection, ensuring that every variable was accounted for and every sample was representative.
2In order to understand the complex relationships between economic indicators, a systematic analysis of historical data is necessary.
3The philosopher's systematic critique of existing theories revealed fundamental flaws in their underlying assumptions.
4A systematic review of the literature on climate change highlights the urgent need for policy reforms.
5The detective's systematic investigation of the crime scene led to the discovery of a crucial piece of evidence that had been overlooked by previous investigators.