Module Outline
Module 3: Psychology’s Statistics
Module 3 provides a brief summary of statistics used by researchers in psychology. It begins by explaining how statistics are used in psychology. Frequency distribution, measures of central tendency, and measures of variation are explained.
The normal curve (normal distribution) is explained along with comparative statistics. How to interpret both positive and negative correlations are discussed.
The text concludes with a brief description of inferential statistics and statistical significance.
Introduction
  Statistics
Frequency Distribution
  Frequency distribution
Measures of Central Tendency
  Measures of central tendency
  Mode
  Mean
  Median
  Skewed
Measures of Variation
  Measures of variation
  Range
  Standard deviation
Normal Distribution
  Normal distribution
Normal curve
Bell-shaped curve
Comparative Statistics
  Percentage
  Percentile rank
Correlation Coefficient
  Correlation coefficient
  Positive correlation
  Negative correlation
  Scatterplot
Statistical Inference
  Descriptive statistics
  Inferential statistics
  Statistically significant