PSYC 100 Lecture Notes - Lecture 3: Random Assignment, Confounding, Repeated Measures Design
12 Apr 2015
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1 long answer, 2 options: won"t be from chapter 1. Positive relationship, both variables move in the same direction. Negative is a downward slope, positive is upward slopping: put the frequency on the y-axis, and the score on the x-axis. Frequency is the number of times a score appears. What do the #s mean in correlation: 0 means no correlation, 1 is a perfect correlation, scattered points, no correlation, points close to the line, a correlation. Where do you get data: surveys, case study, natural observations not manipulating, just observing the natural world. Population (n): all individuals whom you are interested in drawing a conclusion about sample groups. If we go too big, it will start breaking down into small groups regardless: a population is literally every person, but we can"t ask every person so we look for small, ex. Subject (n): a subset section of a population, you represent those that are like you, but aren"t in the study.
