2. Draw diagrams: Either hand draw in the space below or edit using the drawing tool to create an electron dot diagram for each of the elements below. Use the Gizmo to help you do this. To check your work, turn
on Show electron dot diagram.(Right click on the picture, click "edit", move the dots around the
element symbols)

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .