1.
sources that do not have a direct connection to the event
2.
how well an experiment measures what it is supposed to measure
3.
the group which receives a change in the independent variable
4.
the group which does not receive a change in the independent variable
5.
an experiment should have the same results when repeated
6.
any lying involved in an experiment
7.
the variable which is manipulated
8.
experimental design in which one group receives multiple levels of the independent variable
9.
neurotransmitters which "fire up" the neuron
10.
the system which controls bodily movement
11.
chemical messages sent across neurons
13.
the part of the neuron which 'catches' neurotransmitters
14.
an if/then statement describing the relationship between variables
15.
sends messages between sensory and motor neurons
16.
part of the neuron that contains the nucleus
17.
the part of the neuron that messages are sent from
18.
experimental design in which different groups receive different levels of the independent variable
19.
the gap between neurons across which messages are sent
20.
the neurotransmitter responsible for mood