Select from the dropdown lists to complete the text.
Objectivity - scientific observations should be recorded without ( bias, fault, lies, truth, sound ) and not influenced by any other factors, or any other people
Control - scientific observations should take place under ( controlled conditions, a blanket, control, quiet, no deception )
Predictability - scientists should be able to use the results and knowledge gained from experiments to ( predict, guess, assume, think ) future behaviour
Hypothesis Testing - theories generate predictions (( hypotheses, guesses, thinkers, theories )) which can be tested to either strengthen the support for the theory, or else disprove it
Replication - each experiment should be able to be ( replicated, tested, copied, used ) exactly so people can have confidence in the results