terms
What is a coherent network of explanatory ideas
a theory
When would you use operational definitions?
when you want someone to replicate a study, you want an operational definition where the entire procedure can be observed and measured.
What is random sampling?
each person in the population has an equal chance of being chosen for the sample.
Can you prove a theory to be true?
No, unless you test every possible kind of possibility has been tested
this variable MUST be measurable
dependent variable
what is subject reactivity?
be forced to the fact that subjects are reacting
try to minimize subject reactivity
Everything we know about behaviour was derived from __________
empirical research
The independent variable (IV) changes the dependent variable (DV). True or False
True
what is a confounding variable?
- it alters the IV
- it interferes with the results of the study
- It too affects the DV, so you don’t know whether the effects are caused by the IV, the confounding variable, or both
What are specific prediction derived from a theory?
If I add more milk, the tea will get a lighter color. The two variables: 1. Amount of milk 2. Color of the tea Which one is the independent variable?
A. Amount of milk
B. Color of the tea
C. Both A and B
D. None of these
What is a control group?
used as a standard for comparison
What is known as "a tendency to believe something after you find your results?"
hindsight bias
I need to pay a fine because I crossed the red light. The 2 variables: 1. Paying fine 2. Crossing red light Which is the independent variable?
A. Crossing red light
B. Paying fine
C. Both A and B
D. None of these
A. Crossing the light
What is a placebo control group?
usually used in drug-related studies where people might have strong expectations about drug effects.