As a marketing researcher for SoundSense, Nancy Bales has been asked to gather preliminary information that will help create a research hypothesis about EasyPlay, the new music player by SoundSense. Nancy has the task of conducting first-hand research about the characteristics of the target group that would buy EasyPlay, which the company believes to be superior to i-Pods and cell phones in terms of audio quality. Nancy Bales should conduct ________ research at this stage. causal experimental secondary internal exploratory