Jamille is taking french in school. she gets her best grades on vocabulary tests if she studies for 15 minutes every day for 8 days than if she crams for 2 hours the night before the test. this illustrates what is known
a. the spacing effectb. massed practicec. the testing effectd. chunking

a. the spacing effect                                                                                                          

Explanation:                            

The spacing effect: In psychology, the term spacing effect was first introduced by a German psychologist named Hermann Ebbinghaus, and is defined as the phenomenon which suggests that the long-term memory of an individual is increased when the learning related to different events are being spaced apart in interval of time instead of occurrence in immediate succession.

Example: Remembering items in a list.

In the question above, the given statement illustrates the spacing effect.

jacksonian era promoted strength of the presidency and executive branch at the expense of congress. it also sought to broaden the public's participation in government. the jacksonian's demanded to have elected judges, instead of appointed judges, and rewrote many state constitutions to reflect the new values. hope this ! if you did find it would you mind giving me brainliest? : )