Descriptive Statistics’
BASED ON THE LECTURES AND ADDITIONAL MATERIAL
Contents
1 Introduction to science and social research ......................................................................................... 2
2 Empirical cycle, measures & data collection methods ......................................................................... 3
3 Research designs and threats to validity .............................................................................................. 5
4 Reliability and Test and Item Analysis (TIA) .......................................................................................... 7
5 Validity, surveys and sampling methods ............................................................................................. 11
6 Quasi-experimental, correlational, qualitative, and evaluation research .......................................... 14
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