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Terminology of Experiments

Dr Toohey

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Across
1.A tentative explanation of observations
6.pretend substance used in the control treatment
7.the variable which response to the independent variable
8.Anything that changes during an experiment
11.treatment with independent variable present
13.a variable kept constant during the experiment
14.the variable which altered on purpose
15.many test subjects within a treatment
16.a set of conditions or variables under the experimenter's control
Down
2.puts a hypothesis to the test
3.minimum number of treatments in an experiment
4.factors leading to reductions in the precision and accuracy of the data (2 Words)
5.a variable that causes the test to be invalid
7.used to judge the merit of a hypothesis
9.need to treatment subjects the "right" way
10.used to show relationship between variables
12.treatment used as reference point for conparison

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