8.25.11 psychology of consumerism research methods

8.25.11 psychology - Research Methods Types of Methods 1 Experimental 2 Quasi-experimental(correlational 3 Qualitative 1 Experimental This is the

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Research Methods Types of Methods 1. Experimental 2. Quasi-experimental (correlational) 3. Qualitative 1. Experimental This is the only methodology that allows cause-effect statements, but it can have low external validity (may not apply to the real world). However, experimental studies can be done in the field (e.g., schools, elections). 4 requirements 1) Random Selection of Subjects (doesn’t usually happen) 2) Random Assignment of Subjects to conditions (controls for individual differences). 3) Manipulation—experimenter must be responsible for changes in the independent variable. 4) Control—achieve through standardization---make everything the same for everyone except the independent variable. If possible, the experimenter should use the same research assistant, run experiment in the same room, and approximately at the same time during the day. All of these components ensure there are no systematic differences between groups (except the independent variable). Independent variable
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/21/2011 for the course PSYCH 1120 at Cornell University (Engineering School).

Ask a homework question - tutors are online