What aspect is core to the participant feedback method in evaluating training?

Utilizing structured surveys and interviews is a core aspect of the participant feedback method in evaluating training because these tools provide a systematic approach to gather insights about the training effectiveness. Structured surveys allow for quantitative data collection, making it easier to analyze trends and measure participant satisfaction or knowledge gain. Meanwhile, interviews can capture more nuanced qualitative feedback, providing deeper context behind the participants' experiences. This combination ensures that feedback is comprehensive, objective, and actionable, ultimately leading to improvements in training programs based on participants' needs and perceptions.

Focusing solely on aspects like attendance or positive reviews does not capture the full spectrum of feedback necessary for thorough evaluation, and excluding qualitative comments would result in a loss of valuable insights that can inform future training enhancements.