37

You should know the definitions of the following key terms from the chapter. They are listed in the order in which they appear in the chapter. For those you do not know, return to the relevant section of the chapter to learn them.

psychology

biological perspective

cognitive perspective

behavioral perspective

sociocultural perspective

hindsight bias (I-knew-it-all-along phenomenon)

descriptive methods

naturalistic observation

participant observation

case study

survey research

population

sample

random sampling

correlational study

variable

correlation coefficient

positive correlation

negative correlation

regression toward the mean

mean

scatterplot

third-variable problem

spurious correlation

random assignment

independent variable

dependent variable

experiment

experimental group

control group

operational definition

placebo effect

placebo

nocebo effect

placebo group

inferential statistical analyses

double-blind procedure

meta-analysis

descriptive statistics

frequency distribution

median

mode

range

standard deviation

normal distribution

percentile rank

right-skewed distribution

left-skewed distribution