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hypothesis
a testable prediction for a situation
experiment
conducted in a controlled setting to test a hypothesis
control group
group that lacks the independent variable and is used for comparison
experimental group
group exposed to the independent variable
independent variable
factor being tested because it may affect the outcome of the experiment
dependent variable
factor being measured in an experiment and may be affected by another factor
controlled variable(s)
factors that remain fixed or constant during an experiment
data
information gained from an experiment - qualitative or quantitative
qualitative data
observations about an experiment that are not numbers
quantitative data
numerical data collected during an experiment
observation
information obtained through the senses.
inference
a logical interpretation based on prior knowledge and experience.