Psychology Keywords Keywords/terms for revision. 4.0 / 5 based on 1 rating ? PsychologyASOCR Created by: ParmzCreated on: 18-03-13 20:45 Ecological Validity Whether an experiment is true to life or not. 1 of 38 Demand Characteristics Clues that the experimenter gives to the participant purposely or not that give away the purpose of the experiment. 2 of 38 Confederates People who are employed to take part in the experiment by the experimenter. 3 of 38 Repeated Measures Design One person/group takes part in each condition of the experiment. 4 of 38 Independent Measures Design One person/group takes part in only one condition of the experiment. 5 of 38 Lab Experiment An experiment done in a lab with controlled variables 6 of 38 Field Experiment An experiment done in a natural setting where variables cannot be controlled. 7 of 38 Quantitative Data Numerical data 8 of 38 Qualitative Data Written data 9 of 38 Quasi Readily available sample 10 of 38 Ethical Guidelines Rules that a psychological has to stick to in order to protect their participants: Harm, Deception, Withdrawal, Consent, Debrief 11 of 38 Matched Pairs Design When participants in different experimental conditions are matched according to factors such as age or gender. 12 of 38 Confounding Variables External factors that may affect the results of the experiment other than the variable that is being manipulated. 13 of 38 Longitudinal Design A task that is conducted on the same people at intervals over time. 14 of 38 Dependent Variable (DV) The variable in an experiment that is measured. 15 of 38 Independent Variable (IV) The variable in an experiment that changes. 16 of 38 Validity Whether a task what is it suppose to. 17 of 38 Reliability Whether results from an experiment are accurate and whether under the same experimental conditions, the same results would be found. 18 of 38 Self Selected Sample Volunteered participants 19 of 38 Opportunistic Sample Participants that were readily available 20 of 38 Random Participants that had a fair chance of being selected out of anyone 21 of 38 Types of Questionnaire Scales Multiple choice, numerical, likert scale, open questions and closed questions. 22 of 38 Inter-rater reliability If two researchers are doing an experiment at the same time and they check to see if they got the same results. 23 of 38 Time Sample Certain periods of time that experimenters observe at. 24 of 38 Event Sample Having a check list and ticking off behaviours listed 25 of 38 Mean Sum of numbers and dividing by amount 26 of 38 Mode Most frequent 27 of 38 Range Highest minus lowest 28 of 38 Medium Order the numbers from smallest to largest and cross off to obtain middle value 29 of 38 Research Hypothesis Vague prediction e.g. "Doing exercise will make memory better" 30 of 38 Experimental Hypothesis Specific prediction e.g. "Participants who complete 30 minutes of exercise a day will remember more items off a list than those who do not exercise" 31 of 38 Null Hypothesis A prediction containing "there is no significant difference" ... 32 of 38 One-tailed Hypothesis Has a direction: "The more exercise a participant gets the better their memory will be" 33 of 38 Two-tailed Hypothesis There is no direction: "There will be a link between the amount of exercise a participant gets and their money" 34 of 38 Covert When an experimenter is observing without the particpant knowing 35 of 38 Overt When the participant knows the experimenter is observing them 36 of 38 Self Report When participants analyze themselves through e.g. a questionnaire 37 of 38 Case study When an individual is studied over a period of time. 38 of 38
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