Dr. calvin needs just one more participant to complete her experiment. lisa, a student of dr. calvin, has almost completed the experiment when she announces she wants to quit because the experiment is boring. what options does dr. calvin have?

Dr. Calvin must let Lisa go and find another participant.

Participant's willingness in an experiment is essential for the validity of the outcome. Like in the given example if Lisa is getting bored and not willing to actively participate in the experiment, it may affect various aspect of the study and the result might not be the one which a willing participant can produce.