Which of the following is NOT a training performance measure mentioned?

In the context of training performance measures, effectiveness, efficiency, and performance are all established criteria used to evaluate training outcomes. Effectiveness refers to how well the training meets its intended objectives and improves the learner's ability to perform tasks. Efficiency gauges the resources utilized during training versus the outcomes achieved, reflecting on the cost-effectiveness and time spent. Performance generally relates to the actual results or improvement in skills and knowledge demonstrated by learners after training.

Engagement, while important in the training context for maintaining learner attention and interest, is not traditionally classified as a performance measure. Engagement indicates how involved or motivated learners are during the training but does not directly assess the outcomes resulting from that training. Therefore, it stands out as not fitting within the conventional framework of performance measures used to evaluate training initiatives.