Heather is conducting a study on music and memory. She plays different types of music while students memorize lists of words, then tests them on their retention after 1 hour, 1 day, and 1 week. In this example, which is the independent variable

Respuesta :

Step-by-step explanation:

The independent variable is the one that we change, and because we are changing the genre, the independent variable is the different types of music.