If you wanted your best friend to spend more time talking about your interests, you might try smiling at her every time the conversation turned to your interests. In the framework of operant conditioning, your frowning would be:

If researchers were interested in a particular person, they would use the _____ method.

A) experimental B) correlational C) case study D) all of the above

Your authors report that the research into the effectiveness

of distributed practice has been clear and unequivocal—spreading out our learning over longer intervals is much more effective then cramming our learning into shorter periods of time. This research has been repeated with the same findings over and over again. This demonstrates which principle of critical thinking from your textbook? A) Replicability B) Falsifiability C) Correlation vs. causation D) Occam's Razor