Research methods 0.0 / 5 ? PsychologyResearch methods and techniquesASAQA Created by: EliseCeriCreated on: 10-11-15 09:12 What is the Experimental method? The experimental method involved the manipulation of the IV to effect the DV 1 of 29 What types of Experiments can you have? Lab, field, natural and Qausi 2 of 29 What is a lab experiment? The experiment is done in a controlled setting where the researcher manipulates the IV to effect the DV 3 of 29 What is a Field experiment? The experiment is done is a natural setting where the researcher manipulates the IV to effect the DV 4 of 29 What is a Natural experiemt? The IV changed naturally, and would happen anyway if the researcher was not present 5 of 29 What is a Qausi experiment? The variables already exist and are not manipulated by the researcher. 6 of 29 What is a directional hypothesis It states the direction of the difference or relationship 7 of 29 What is a non-directional hypothesis it does not state the direction 8 of 29 What is the IV? The IV is the presumed cause of the DV and is manipulated by the researcher 9 of 29 What is the DV? The DV is the result of the IV and is observed/measured by the researcher. 10 of 29 What is an extraneous variable? A variable that is not the IV that can pose a threat to the validity of the experiment. they are easy to control and can be seperated from the IV 11 of 29 What is a confounding variable? A variable that is not the IV that can undermine the validity of the experiment and is difficult to detect. 12 of 29 What are demand characteristics? Aspects of the situation that demand certain characterists. Guessing the aims, please-you effect 13 of 29 What is the researcher effect? it is when the researcher accidentally influences the effect of the IV on DV 14 of 29 What are the experimental designs? Indipendant groups, repeated measures, matched pairs 15 of 29 What is the independant groups design? The are two seperate groups that experience two seperate conditions 16 of 29 What is the problem with the independant groups design? Group differences: everyone is different 17 of 29 How do you control group differences? Random allocation 18 of 29 What is the repeated measures design? The participants take part in all conditions 19 of 29 What is the problem with the repeated measures design? Order effects- fatigue/ learning effect 20 of 29 how can you control the threat of repeated measures desgin? Counterbalancing 21 of 29 What is the matched pairs design? Pairs of participants are matched on some variables that may effect the Dv. One is assigned to A and one B 22 of 29 Why do we operationalise variables? It makes the test measurable and repeatable. 23 of 29 What are the different types of sampling? Random, statified, systematic, opportunity, volunteer 24 of 29 What is random sampling? You randomly select participant using a lottery technique 25 of 29 What is statified sampling? You identify the proportions of difffernt group of the target population and then randomly select people to fulfill the same proportion 26 of 29 What is systematic sampling? Every nth person 27 of 29 what is oppertunity sampling? you approach them 28 of 29 What is volunteer sampling? They approach you. 29 of 29
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