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chapter 1


inference conclusion based on observations
data information
evidence observations that make you believe something is true
precision name the ability to constantly repeat a measurement
accuracy able to do something as close as possible to the real thing
variable something that can change in a test
hypothesis statement of what you think will happen
control group a standard against which change is measured
observation something you find out about things
procedures step by step instructions
experiment the use of scientific methods
model objects or ideas that represent other things
surveys the gathering of data from opinion
sampling examining random things from somewhere
independent vairable variable you can change
dependent vairable changes when the other does
experimental group special treatment
Created by: Brooklyn-Collins