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determine whether each of the following sets is countable or uncountable. For those that are countably
infinite exhibit a one-to-one correspondence between the set of positive integers and that set.
-The set of irrational numbers between
Naturalistic Observation
An examination method where people are observed in their natural settings without any alterations made by the researcher.
Theory
A systematic explanation of an aspect of the natural world, grounded in observation, experimentation, and reasoning.
Observations
The active acquisition of information from a primary source, using the senses or tools and instruments for measuring and recording.
Independent Variable
The variable in an experiment that is manipulated or changed to observe its effects on the dependent variable.
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