only covered in the book ch. 2

Front

what is hindsight bias?

Back

a psychological phenomenon in which one becomes convinced they accurately predicted an event before it occurred

Front

1. What are surveys and why do they use random selection?

Back

a way to sample in which everyone in the population has a chance of being chosen for the sample, and whoever's picked is chosen completely at random. This is great because there's no bias

Front

what is internal validity?

Back

Making sure that nothing besides the independent variable can affect the dependent variable; this is accomplished by controlling all extraneous variables and by randomly assigning people to different experimental conditions

Front

what is external validity?

Back

The extent to which the results of a study can be generalized to other situations and to other people

Front

what is the difference between basic vs. applied research?

Back

basic research is used to gain understanding and satisfy curiosity, while applied research is used to solve specific problems.