EP Test 1 Flashcards
Principles of Psychology (4)
- determinism
- empiricism
- parsimony
- testability
Determinism
events have logical causes
Empiricism
observation is the key to learning
Parsimony
the simpler the better
Testability
theories must be testable
Logical Positivism
knowledge must be based on what we can observes with complete certainty
Descriptive Studies
describe variable
Correlational Studies
predict one variable using another
Experimental Studies
explain the relationship between variables
Operational Measures
an indirect way to measure abstract concepts
Ways of Knowing (4) - least to most reliable
- authority figures
- intuition
- logic
- observation
Deductive Reasoning
general -> specific
Inductive reasoning
specific -> general
Law
Universal statement about the nature of something
Theory
statement about the relationship between variable
Hypothesis
specific predictions derived from theories
Validation
attempt to gather information to support hypothesis
Falsification
attempt to refute hypothesis
Qualification
attempt to identify boundaries or limitations
Positive Test Bias
confirmation bias (you see what you expect to see)
p-value
(significance level) the probability that findings result from chance or random error
How to lower p-values
greater sample size; greater difference between groups