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33 terms

Psychology Test #2

STUDY
PLAY
daily research
where do psychologists get their research questions?
hypothesis
educated guess
replication
study must be repeated
surveys
gathered information by asking people directly
target population
the whole group you want to study or describe
sample
only part of the target population
random sample
individuals are selected by chance from the target population
stratified sample
subgroups in the population are represented proportionally in the sample
volunteer bias
people who volunteer to participate in studies
intelligence tests or personality tests
the testing method: what are some examples of tests?
case study
an in-depth investigation of an individual or a small group
sigmund freud
what psychologist used case studies?
Cannot be replicated
Major fault of case studies.
longitudinal studies
observation over a long period of time
cross sectional method
researchers select a sample that includes people of different the participants in different age groups
naturalistic observation method
field study, they observe other people or animals in their natural habitats
laboratory observation method
observe behavior in a lab
correlations
measure of how closely one thing is related to other
positive correlation
a correlation between the need for achievement and salaries
negative correlation
as one goes up, the other must come down
experiment
how do psychologists study data?
independent variable
factor that researchers manipulate
dependent variable
depends on something
experimental group
members of it receive treatment
control group
do not receive treatment
controlled experiment
an experiment uses control groups as well as experimental groups
placebo
has no effect
single blind studies
participants do not know whether they are in the experimental group or the control group
double blind studies
a study in which both participants and experimenters are unaware of who receives the treatment
they set the ethical standards
what does the APA do?
keep peoples thoughts and feelings private because then the people would be more honest
confidentiality - why?
informed consent
that people agree
deception - when can it be used?
it cannot be run without deceiving people and it would be used if a kids was being beat up by their parents