Answer:
Chocolate (Independent variable)
Explanation:
The independent variable is manipulative. The experimenter can manipulate it. It produces one or more results in a study called the dependent variable. It is called the independent variable because its variation doesn't depend on another variable in an experiment. The independent variable can be controlled or manipulated only by the researcher or experimenter.
For example:
Amount of water and fertilizer provide a tree. Water and fertilizer is an (independent variable) which can be manipulated by the experimenter.
Result: Height of the tree depends on water and fertilizer quantity (dependent variable) which can not be manipulated by researcher.
<span>During the early 20th century, the Progressives successfully lobbied for reforms to education, including increased years of mandatory attendance.</span>
Answer: Confounded
Explanation: A confounded study simply means an experiment or study in which a confounding or lurking variable has been introduced which will impact or cause a distortion between both the dependent and independent variable resulting in a spurious relationship.
In the scenario above, aggressive children were subjected to aggressive movies and non-aggressive children were subjected to non-aggressive movies. A lurking or confounding variable has been introduced such that a correlation or causal relationship cannot be correctly established.
i believe iut will be the first option
