What is a science?
Universe operates under certain laws; laws are discoverable and testable.
What is a hypothesis?
Specific, testable prediction from a theory.
What is the scientific method?
The use of process of testing a hypothesis through experimentation.
What is deductive reasoning?
Reasoning applied from general applications to specific situations.
What is inductive reasoning?
Reasoning from specific situations to general truths (theories).
What is hypothetico-deductive?
Educated guesses on how the world works and then designing observations to invalidate/validate hypotheses.
Psychology VS Pseudo-psychology
Psychology: using scientific method
Pseudo-psychology: no use of scientific method
What is an Independent variable?
IV - factor that CHANGES, it is the cause and is controlled
What is a Dependant variable?
Thing EXPECTED TO CHANGE and measured/observed because of IV (Depends on IV)
What is pseudo-psychology?
No use of scientific method, based on beliefs that can be harmful and not on facts.
Ex. Astrology, pop psychology online, and hypnosis
What are the steps to scientific method?
A topic is identified, a literature is conducted, a testable hypothesis, variables, research design selected, data are collected, participants and analyzed, the study is published/reviewed, theory is developed, and the cycle continues
What is a sample?
Group of participants representatives of population
What is a population?
Entire group you’re interested in
What is random selection?
Every person in the population has equal opportunity to join
What is a random assignment?
Every person in sample has chance of being chosen for a condition
What is an Experimental group?
Group EXPOSED to IV
What is a Control group?
Group NOT EXPOSED to IV
What is Descriptive Research?
Case studies, surveys, naturalistic observations
What is Experimental Research?
Manipulation and control of variables
Advantages VS Disadvantages of Descriptive Research
Advantages - Reflective of human behaviour, low cost
Disadvantages - No control over variables, bias, Hawthorne effect
Advantages VS Disadvantages of Experimental Research
Advantages - Control over variables, eliminate outside variables
Disadvantages - Bias, sometimes unethical
What is Experimental Bias?
Experimenter’s feelings/expectations can influence experiment
What is a double-blind procedure?
Neither participant or researcher knows anyone
What is a Self-fulfilling Prophecy?
Un-witting creation of researcher that leads to predicted results