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Chapter 2

Chapter 2-The Research Enterprise in Psychology.docx

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Wilfrid Laurier University
Kathy Foxall

The Research Enterprise in Psychology thLecture 2Tuesday January 10 2012Goals of Scientific EnterpriseThree sets of goals 1 Measurement and descriptioninvestigators way to measure the phenomenon under study 2 Understanding and predictionexplain the reasons for the occurrence events 3 Application and controlinformation gathered will be practical value in helping to solve everyday problemsHypothesistentative statement about the relationship between two or more variablesVariablesany measurable conditions events characteristics or behaviours that are controlled or observed in a studyTheorysystem of interrelated ideas used to explain a set of observationsScientific theory must be testable allows psychologist to make the leap from the descriptions of behaviour to the understanding of behaviourSteps in a Scientific Investigation 1 Formulate a Testable HypothesisTranslate theory or an intuitive idea into a testable hypothesisexpressed predictionsMust be formulated precisely and the variables under study must be clearly definedOperational definitionactions or operations used to measure or control a variable 2 Select the Research Method and Design the StudyHypothesis to empirical testExperiments case studies surveys naturalistic observationPonder pros and cons then select the strategy the most appropriate and practicalParticipantsare the persons or animal whose behaviour is systematically observed 3 Collect the dataResearch enterprise collect the dataData collections techniquesprocedures for making empirical observation and measurements4 Analyze the Data and Draw ConclusionStudy are usually converted into numbersWrite up summary of study and findings 5 Report FindingsShare findings with one another with the general publicJournalperiodical that publishes technical and scholarly material usually in a narrowly defined area of inquiryAdvantages of the Scientific ApproachClarity and precisionExactly what they are talking about when formulating hypothesisAdvantage offered by the scientific approach is its relative intolerance of errorCommonsense notions about behaviour tend to be vague and ambiguousScientist are trained to be skepticalThey subject their idea to empirical testScrutinize one anothers work with critical eye
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