Introduction -- Research in Psychology: Objectives and Ideals -- Research Methods -- Experimental Design -- Survey Design -- Descriptive Statistics -- Some Principles of Statistical Inference -- Examining Differences between Means: The t-test -- Examining Relationships between Two Variables: Correlation -- Comparing Two or More Means by Analysing Variances: ANOVA -- Examining Relationships between Multiple Independent Variables and One Dependent Variable: Multiple Regression -- Analysing Other Forms of Data: Chi-square and Distribution-free Tests -- An Overview of High-Level Quantitative Methods -- Classical Qualitative Methods -- Contextual Qualitative Methods -- Research Ethics -- Conclusion: Managing Uncertainty in Psychological Research.