Independent variable - conditions that the experimenter systematically manipulates, Dependent variable - what is affected by the experimental condition and is observed or measured in an experiment, Experimental group - group of participants exposed to the independent variable, Control group - group of participants not exposed to the independent variable. Acts as a comparison.​, Sample - A subset of the population under investigation, selected to participate, Population - Entire group of people belonging to a particular category that is of research interest, Operational hypothesis - A testable prediction that states how variables will be measured and manipulated, Ethics - Moral principles and codes of behaviour that apply to all psychologists, Confidentiality - is based on how information is dealt with - safeguarding the collection, storage and dissemination of information and ensuring the information is not released to anyone outside of the experiment without consent.​, Voluntary participation - nsure that the participant willingly participates in the research without coercion ​, Withdrawal rights - participants may withdraw themselves, and their results, from the research at any time without negative consequences​, Quantitative data - Numbers are used, which can be statistically analysed and easily compared, Likert scale - A subjective, quantiative data collection technique that involves a self-report rating scale of level of agreeability to statements, Range - Measure of data dispersion, found by substracting the lowest data point with the highest,

EST preparation research methods

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