U2 Flashcards
introspection
self observation and reflection
hypothesis
an educated guess
research hypothesis
based on knowledge (what the experimenter thinks will happen)
statistical hypothesis
probability of occurrence
scientific law
a statement based on repeated experimental observation
widely accepted and conclusive
scientific theory
a useful guide for further research
well-tested explanation of an event
does psychology rely more on theories or laws
theories
what are the 2 requirements theories are supposed to satisfy
- accurately describes large class of observation
- make predictions about future observations
can you prove a theory
no
but you can disprove one
what determines whether or not a theory survives
whether new data agrees
prediction - measured observation =
error
key components of a hypothesis
- variables
- constants
experimental control
eliminating confounding variables
conceptual definition
general definition of a variable
operational definition
definition of the same variable in context