Final answer:
The first step in a comprehensive decision-making model is defining the problem.
Step-by-step explanation:
The first step in a comprehensive decision-making model is defining the problem.
This step involves clearly understanding and identifying the issue or challenge that needs to be addressed. It is important to gather all relevant information and gather any necessary data to fully comprehend the problem.
For example, in a business setting, the first step might involve analyzing market trends and consumer demand to identify any potential gaps in the market. By defining the problem accurately, the decision-maker can move on to the next steps of the model.