Preparatory study materials on quantitative research
Basic topics on quantitative research
I. Basic descriptive statistics
Topic 1.1.: how to calculate standard deviation and variance. (recommendation: do the revision yourself)
Topic 1.2.: measures of variability.
II. On the normal distribution curve and the central limit theorem
Topic 2,1.: the normal distribution.
Topic 2.2.: on density curves.
Topic 2.3.: the central limit theorem.
III. On hypothesis testing
Topic 3.1.: what is a hypothesis test.
Topic 3.2.: what is a p-value.
Topic 3.3. confidence level and significance level
** The confidence level is the probability of the test being right.
The significance level is the probability of there being a mistake in the test, or the test being wrong.
Topic 3.4.: null & alternative hypotheses.
Topic 3.5.: one-tailed vs two-tailed tests (video); (brief note).
IV. On variables
Topic 4.1.: operationalization and measurement.
Topic 4.2.: independent and dependent variables.
Topic 4.3a.: mediation vs moderation.
Topic 4.3b.: types of variables.
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