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the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions
asking questions and finding answers that increase our understanding about the world around us
what is research?
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation
what is a hypothesis?
must be:
explanatory
testable
falsifiable
what are the characteristics of a hypothesis?
specific
should a hypothesis be broad or specific?
feasibility
techniques and equipment
cost
in the ideal world you would have unlimited money to do anything you wanted
what are 3 considerations you must make when designing an experiment?
control group: placebo
experimental group: medicine
explain the difference between a control group and an experimental group?
randomization
experimenter blinding
inclusion/exclusion criteria
selecting samples (ex: selecting cell types that represent your disease state)
removal for experimental error
consider alternatives
how can experimental bias be prevented?