SOCIOL 3FF3 Lecture Notes - Lecture 1: Null Hypothesis, Interval Ratio, Statistical Hypothesis Testing

• School: McMaster University
• Department: Sociology
• Course: SOCIOL 3FF3
• Professor: Marisa Young

Document Summary

Hypothesis testing, one and two sample t tests. Hypothesis stated assoc btwn 2+ variables. Null hypothesis no assoc btwn the 2+ variables or no diff btwn 2 groups or values (ho: always talk in reference to this. Alternative (research) hypothesis there is an assoc btwn 2+ variables or different btwn two groups or values (ha) Ender and education: ha men and women have diff levels of edu, ho men and women have the same levels of edu, 3. Associations btwn variables: work family conflict and distress. Ha differences in work fam conflict result in diff levels of psych distress. Ho differences in work fam conflict result in similar levels of psych distress. A difference to be a difference must make a difference. Image the ideal distribution of a sample or pop. Scores that fall w/in the extreme part of the distribution are likely to be different from the avg and therefore stat sig.