Refers to an extraneous variable attributable to changes in the test units themselves that occur with the passage of time.

Maturation.

Explanation:

According to my research, I can say that based on the information provided within the question the term being defined in this statement is called Maturation. This term is used in many categories to refer to the changes over time until full maturation is achieved, which is the peak point in value.

I hope this answered your question. If you have any more questions feel free to ask away at .

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.

aliens are not real, the myth was created about 700 years ago because people found markings in the field of their crops. also, no there were no aliens on the moon.

hope this ! give brainliest!