Chapter 1 Glossary

scientific approach: a way of using unbiased observation to form and test beliefs. (p. 2-3)

replicate: repeat. A skeptical researcher should be able to repeat (replicate) another researcher’s study and obtain the same pattern of results. One key to a replicable study is having objective operational definitions of your variables (p. 8)

operational definition: a “recipe” for how you are going to measure or manipulate a variable; the specific, observable, concrete steps involved in measuring or manipulating that particular factor. (p. 5)


testablecapable of being disproven, corrected, or revised based on the evidence. (p. 4)

objectiveunbiased; based on observable, physical evidence. (p. 3)


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