The research and development (R&D) team of DataCom Corp., a software firm, holds a meeting to discuss potential ideas for new products. In the meeting, the moderator encourages everyone to share their ideas, no matter how trivial they may seem. He warns members against criticizing any idea and asks them to focus on offering plenty of ideas. In this scenario, the R&D team of DataCom is engaged in _____.

a. concept testing

b. idea screening

c. brainstorming

d. beta testing