Hypothesis: If I put a chocolate bar on the table near a sunny window, it will melt faster. If your independent variable is the
placement of the chocolate bar and the dependent variable is the speed at which it melts, what are some controlled variables that one must have during each trial?
Demeter International is the primary certification agency for farms and gardens using the methods. In the United States, bio-dynamic farming dates from 1926.-
The physical stimulus is the only part of the test that is measureable, and therefore, knowable. The stimulus is our anchor for our estimate of the listener's perception.
