PSYC 102 Lecture Notes - Descriptive Statistics, Central Tendency, Randomized Controlled Trial
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PSYC 102 Full Course Notes
Verified Note
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Document Summary
Replication: same finding with different participants in different situations. Random sampling: when each member of the target population has an equal chance of inclusion in a sample (unbiased sample) Descriptive: careful and accurate description (questionnaires and interviews: naturalistic observation (observing life as it happens, case studies (observe just a subset or a small group) Correlational: evaluating relationships (links between two things, or among several things: amount of sleep and the correlation to depression, can range from 0. 00 to 1. 00. Sign (+/-) indicates the direction of relationship (positive/negative) Experimental: exploring cause and effect: we will control one of the variables to see how the other variable reacts. Does the variable effect the outcome (amount of sleep and depression) Depends on what is the independent and dependent variable. Independent variable: a factor manipulated by the experimenter: the effect of the independent variable is the focus of the study. Dependent variable: a factor that may change in response to an independent variable.
