Final answer:
Idea screening is the first step in the idea-reducing stage of the design process for adding new products and services. It involves evaluating and analyzing the large number of ideas generated through brainstorming to select a realistic number of ideas to adopt.
Step-by-step explanation:
The correct answer to the question is D) idea screening.
Idea screening is the first step in the idea-reducing stage of the design process for adding new products and services. It involves evaluating and analyzing the large number of ideas generated through brainstorming to select a realistic number of ideas to adopt. During idea screening, the design team assesses the potential of each idea based on criteria and constraints, eliminating ideas that have little potential or do not meet the requirements. This helps to narrow down the options and focus on the most promising ideas for further development.