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Unformatted text preview: 2-15-11Chapter 7 – Conducting a good experimentParticipantsoTypes of Participants: we need to take into consideration the precedent, availability, and type of research project when deciding which participants to use.oNumber of Participants: we need to take finances, time, availability, amount of variability in group and power into consideration when choosing number of participants.If we have a lot of different kinds of people, then we need a lot of participantsIf we have similar participants, then we don’t have to use that manyoPower: probability that a statistical test (ANOVA) will be significant (our exp. Hypo. Will be accepted as true) Typically, more participants the higher the power. Stats books and previous research can help you choose the number of participantsApparatus•IV presentation: the IV determines what apparatus you useoCertain IVs might require certain equipmentCrying study (needed TV, DVD player); Music study (need some kind of music player); Animal study (need way for the animal to show learning, pigeon and light button)-DV recording: how the DV will be recordedoDon’t want the researcher to interfere or modify behaviorSometimes use simple paper and pencil to record observations; Use of...
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This note was uploaded on 04/05/2012 for the course PSY 3213 taught by Professor Staff during the Spring '11 term at FSU.
- Spring '11