vocab 1 Flashcards
case study
studying a group or individual to reveal ideas while controlling the situation
confirmation bias
ignoring evidence that doesnt support idea
confounding varaible
things other than the test subject that may change an outcome
correlation
the relationship between two things
dependent variable
observed change/outcome of experiment
generalizability
how applicable results are to a community
hindsight bias
thinking you could have known something after being told it
hypothesis
testable idea
independent variable
thing being changed or manipulated to observe its reaction to something
mean
average set of scores
median
midpoint of set of scores
mode
most common score
meta-analysis
combining several estimates into one
naturalistic observation
observing someone to get an idea without controlling them
normal curve
bell shaped symmetrical curve that represents statistical probability
operational definition
precise list of steps used in a study
qualitative research
non-numerical research
quantitative
numerical research
random assignment
every participant having equal odds to be assigned to a role
random sample
selecting a small group of participants from a bigger one
range
measure obtained from the difference in the lowest and highest scores
skewed distribution
when data is not spread evenly
replication
repeating a study with the same steps but new people to see if observations stay the same
standard deviation
how much the scores variate from the mean
statistical significance
the degree a research outcome cannot be connected to random factors
survey
data/opinions gathered from a population
variation
differences in things among the people in a population
