Applied Research Methods
Week 6 Problems with Regression and more on Regression Standard error - measure of uncertainty, want to decrease standard error, increase N Always going to be uncertainty with representative samples Problems with regr...
WEEK 5 REGRESSION ANALYSIS Y = a + bx + e (1 independent variable) Y = a +bx1 + bx2 + e (2 independent variable) and so on Every unit increasing in x makes the Y go up or down by that amount. Tells the magnitude of the eff...
WEEK 8 - Counterfactuals ('what if' thought experiments) What is a counterfactual? Means contrary to facts In everyday parlance counterfactuals are 'what if' thought experiments We run counterfactuals in...
Limitations of Regression Analysis: Experiments as a solution Independent variables causing dependent variable o Confounding factors 'third factor' o Unmeasured 'third factor(s)' How do experim...
MULT30018 Lecture 4 4.1 Surveys and sampling Commercial Polling Very different purpose from academic survey Quite narrow concerns like PM approval rating Their real business is big paying coporate job...
MULT30018 Lecture 3 3.1 Descriptive Statistics: Types of data Types of data (aggregate, survey, experimental) Scientific methods of data collection are new Aggregate data Covers the whole population E.g. c...
MULTI30018 LECTURE 2 LECTURE 2.1 Introduction to subject Qualitative tradition o Case study, narrative approach, focus group, interview o Interpretive tradition o Thick description Quantitative tradition o Employing data ...
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