PSY 113 1st Edition Lecture 5Outline of Last Lecture I. 5 Key Critical Thinking QuestionsII. Developing Research IdeaIII. The Scientific MethodIV. Research Methodsa. Case Studiesb. Naturalistic Observationc. Surveysd. Correlation StudiesV. Designing an Experimental Studya. Assigning Participants to GroupsOutline of Current LectureI. Psych in Action ArticleII. CorrelationIII. ExperimentsIV. Conducting our own experimenta. What we did wrongCurrent LecturePsych in Action Article-A PIA article must include:- An abstract- Introduction- Methods (what statistics were used, etc.)- Results- Discussion-PIA articles can be found through the library website or Google ScholarCorrelation-What is correlation?“It measure the direction and strength of the relationship between 2 variables, or factorsthat have values that can vary, like a person’s height and weight.”-Positive correlation: values move in the same direction-Negative correlation: values move in opposite directionsExperimentalThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.-What is an experimental study?-Experimental hypothesis – “If I do this, that will happen”-“Researcher manipulates or modifies the value of one or more variables and observes changes in the values of the others.”-What’s the difference between the independent and dependent variables?Independent: measured by researcher; the causeDependent: measured; the effectM&M Mood Study-Research question: Does eating chocolate improve mood?-Group 1: eat M&Ms-Group 2: no M&Ms-Mood scale: miserable, gloomy, neutral, happy, ecstatic-Each person in each group rates their happiness after eating or not eating the chocolate, and then we compare to see which group is happier.Small Groups – What is wrong with this experiment?-there could be confounding variables (one girl had a test after that was making her antsy)-it wasn’t double blind-no placebo group-the control subjects are watching the experiment subjects eat
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