Research methods 0.0 / 5 ? PsychologyResearch MethodsGCSEAQA Created by: JodieBowen14Created on: 26-05-21 22:26 Hypothesis Statements made by researchers to show what they predict their findings will be. 1 of 19 Null Hypothesis There will be NO correlation between the 2 variables 2 of 19 Alternative Hypothesis There will be a correlation between the 2 variables 3 of 19 Variables Describe things that can change in studies 4 of 19 Independent variable The thing we are changing 5 of 19 Dependent Variable The thing we are measuring 6 of 19 Co-Variables Same as an IV and DV but used in correlation and not test of difference 7 of 19 Extraneous Variables Other factors that can affect the outcome of the study if not controlled 8 of 19 Experimental designs How participants are allocated to different conditions of the IV 9 of 19 Repeated Measure Design Participants can take part in both conditions 10 of 19 Independent Measures Design Participants only take part in one condition 11 of 19 Target population The group of people that psychologists are investigating 12 of 19 Sampling Taking a small sample from the target population 13 of 19 Sample size The larger the sample size, the greater the proportion of the target population being studied 14 of 19 Sampling Method How you select a sample 15 of 19 Random Sampling Everyone has an equal chance of being selected 16 of 19 Opportunity Sampling Participants are selected because they are convenient 17 of 19 Self-Selected Sampling Participants volunteer themselves for the study 18 of 19 Ethical Guidelines List of recommendations that psychologists should try and follow 19 of 19
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