Experimental Design

In the following experiment, what does length of time represent?

Does study time affect grades? During the experiment 25 students studied math for 15 minutes, 25 studied math for 30 minutes, and 25 studied math for 1 hour. Their grades were recorded and compared for the same test.

In the following experiment, what do the test scores represent?

Does study time affect grades? During the experiment 25 students studied math for 15 minutes, 25 studied math for 30 minutes, and 25 studied math for 1 hour. Their grades were recorded and compared for the same test.

In the following experiment, what does the subject of math represent?

Does study time affect grades? During the experiment 25 students studied math for 15 minutes, 25 studied math for 30 minutes, and 25 studied math for 1 hour. Their grades were recorded and compared for the same test.

Is the following a testable or untestable question:

Are Iphones are better than samsungs?

Is the following a testable or untestable question:

Will the time of day you study will affect your grades?

Is the following a testable or untestable question:

Are labs better than golden retrievers?

Is the following a testable or untestable question:

Will practicing longer result in a better shooting percentage?

When graphing the dependent variable is graphed on the __ axis

When graphing variables, you graph the independent variables on the ____ axis

Another name for the standardizing variables is