Sem. 1 - Unit 0 Flashcards
critical thinking
do not immediately accept arguments/conclusions, don’t trust your gut
hindsight bias
“I knew it all along”
overconfidence
humans tend to be more confident than correct, our confidence drives us to quick thinking rather than correct
confirmation bias
you like things that are similar to you - hide evidence that makes us wrong
peer reviewers
checking work for others to give feedback
theory
idea supported by evidence
hypothesis
prediction of what will happen with no prior evidence
falsifiable
can be proven wrong
operational definitions
used to describe the procedure of a study and the research variables
replication
repeating a process for reliability and validity
case study
in-depth investigation of an individual or small group who may have a highly unusual trait. - non experimental
naturalistic observation
observing and recording - non experimental
survey
Questionnaire, not the best because of wording effects, social desirability bias, and self report bias
wording effects
wording effects - using specific wording to influence one’s decision (social desirability bias)
social desirability bias
wording effects, influencing one’s decision
self-report bias
people don’t answer honestly
sampling bias
does not represent the population, no random sampling
random sample
the group of people that was picked randomly
population
the group that the data is represnenting
correlation
the extent to which two variables are related
correlation coefficient (R)
describes the strength and direction of a relations ship between two variables
perfect positive correlation = +1.00
perfect negative correlation = -1.00
no correlation = 0
variable
factor of experiment
scatterplot
type of graph with points
is correlational research a experimental or non-experimental method
non-experimental
illusory correlation
random events that we notice and falsely assume are related
regression toward the mean
the tendency for scores to average out. In this case extreme scores tend to happen rarely and seem to fall back toward the average (the mean)
experiment
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact
experimental group
the group that recieves the variable being tested
control group
the comparison group - does not receive variable being tested
random assignment
equal chance of placement in either testing group (ex. flipping a coin)
single-blind procedure
participants don’t know if they have the placebo or not, but researchers do
double-blind procedure
participants and researchers both don’t know who has that placebos and who doesn’t