In a geography course, Danny is required to learn the capital cities of every country of the world. At the end of the semester, the professor will randomly select twenty countries and give each student an oral quiz on the capital cities in front of the class.
Explain how each of the following might help Danny succeed with his task. Definitions alone will not score.
a- distributed practice
b- a mnemonic device
c- secondary reinforcer
d- big five trait of conscientiousness