Fletcher garton ch 10 and 11 research Flashcards
non-scientific
predicting and describing human behavior using non- scientific methods.
scientfic method
a systematic approach to planning and conducting research.
It starts with developing a testable hypothesis and progresses through data collection and data analysis to drawing conclusions.
population
the group of people to which the findings of a research study would apply.
e.g. University students
Ten year old boys.
non-experimental methods
research methods, such as interviews and observations, that do NOT involve manipulation of the indendent variable
e.g. no experiment is done.
experimental methods
methods used to test whether changes in one variable or group of variables have an effect on another variable.
sample
in a study or experiment, a group that is a subset of the population ( a larger group) being studied for research purposes.
participants
people who participate in research and provides the data used to test a hypothesis.
convenience sample
a subset of the population that is easily obtainable as participants for a study but which may not be representative of the population.
random sampling
a way of selecting participants for a study that makes sure every member of the study population has an equal chance of being selected to participate.
stratisfied sampling
a way of selecting participants for a study that involves dividing the population into groups ( or strata ) where each group has a particular characteristic
e.g. males and females.
stratisfied random sampling
a form of stratisfied sampling in which participants are randomly selected within each stratum
Qualitative Sampling
information that is NOT expressed in numbers
e.g. colour
Interviews
Open-ended Interview
