CHYS 2P52 Study Guide - Comprehensive Midterm Guide: Modus Ponens, Modus Tollens, Level Of Measurement

• School: Brock University
• Department: Child and Youth Studies
• Course: CHYS 2P52
• Professor: Jan Frijters

Document Summary

Knowing based on expert sources, documentation, books. Quality of information is based on the quality of the source. Every research study used the method of authority to build a case for hypotheses: rational method. Assumes past knowledge is true and adds logic afterwards. Used when direct observation is dangerous, impractical or unethical. Every research study uses the rational method to build a case for hypotheses. Modus ponens (the method of taking, placing, putting) form . Logic: if p then q (truth condition, p (observation, therefore, q (conclusion) Modus ponens- argument: if a fruit is a red colour, then it is hot (if the truth condition is false, then the argument is false, this fruit is a red colour, therefore, it is hot. Modus tollens (to pull down, destroy or uncreate) deductive logic, Sense experience (taste, touch, smell, sight, hearing) is the only basis for knowing. Can range from simple observations to highly structured observations across multiple groups, conditions and measures.