PSYCH 100A Lecture Notes - Lecture 1: Toothpaste, Conditional Probability, Psych
Document Summary
Psych 100a - lecture #1 - introduction to statistics in psychology. Median = the central point of the distribution. Standard deviation = measure of how spread the numbers are. Power compares mean of two independent groups is there a significant difference between the means? the probability of rejecting the null hypothesis by research if the alternative hypothesis is true in real life. Central tendency: median = value in the middle of the distribution, mean = the arithmetic average of the distribution, mode = the most common observation in the distribution. Inductive statements = a statement whose truth is assessed by observing a series of examples, by collecting and analyzing data. Deductive statements: you first set up premises and if the statement is true, working from broad to specific observations. Claude steel: african american students underperform when you test them in a way that they know they"re.
