Page 1: Research Methods Fundamentals and Experimental Designs
The first page introduces the scientific method and various research methodologies in psychology. It begins with a comprehensive overview of sampling techniques and experimental designs.
Definition: Sampling refers to the process of selecting participants from a target population for research purposes.
The page details several sampling methods:
Example: In stratified sampling, if a population consists of 60% females and 40% males, the sample would maintain this ratio.
The text then explores different experimental approaches:
Vocabulary: Laboratory experiments (controlled environment studies), Field experiments (natural setting studies), Natural experiments (studying existing variables).
Highlight: Laboratory experiments offer the highest level of control over variables, while field experiments provide greater ecological validity.
Observational methods are also discussed:
Definition: Covert observation involves observing participants without their knowledge, while overt observation involves informed participants.
Quote: "There are some ethical problems of deception and consent with this particular method of observation."