they divide their practice time over the week, and how nervous they feel during their playing
tests.
Explain how Pooja could relate each of the following phenomena to her research topic or
findings when presenting at the science fair.- Distributed practice
- Experimenter bias
- Social desirability
- Yerkes-Dodson law
(C) One of Pooja’s findings was that students who take private lessons average a score of 4.7 on
their monthly playing test, while students who do not take private lessons average a score of
4.5. Pooja concludes that taking private lessons accelerates improvement.
■ Draw and label a bar graph to show this result.
■ Explain why you agree or disagree with Pooja’s conclusion.