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hypothesis testing in psychology
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04/10/2023 CEDP324 Ryan Sain, Ph.D. 1
Developmental Research MethodsTopic 3: Hypotheses
04/10/2023 CEDP324 Ryan Sain, Ph.D. 2
Traits: TestabilityMake them testable
◦technology / methods / measurement
Not testable?◦Not scientific, and no value to science.
Does not just apply to hypotheses.
04/10/2023 CEDP324 Ryan Sain, Ph.D. 3
Traits: ConcreteMake them
concrete◦Operational
definitions◦Leads to
measurementNo generalitiesMultiple
hypotheses. Must be testable
by the procedures.
04/10/2023 CEDP324 Ryan Sain, Ph.D. 4
Logic – Inductive Reasoning
Observations hypothesis◦Think CSI. The
evidence comes then a theory is formed or hypothesis.
◦Then test that hypothesis What would happen if?
04/10/2023 CEDP324 Ryan Sain, Ph.D. 5
Logic - Deductive ReasoningA theory that predicts observations
We then hypothesize what we will seeAnd test for that.
04/10/2023 CEDP324 Ryan Sain, Ph.D. 6
Where to get hypotheses?Existing
problems
Existing research
Theories
From anywhere!
04/10/2023 CEDP324 Ryan Sain, Ph.D. 7
CreditsNebula - flaivolka @ www.sxc.hu
Rubik’s – emmapayne @ www.sxc.hu
Question mark – hisks @ www.sxc.hu
Fishing – knips @ www.sxc.hu
Abstract – mckenna71 @ www.sxc.hu