week four | qualitative and quantitative Flashcards
describes trends or explains relationships among variables
quantitative research
hypothesis verification
goal of quantitative research
focus on a class of events and attempts to specify the conditions that seem common to those events
nomothetic explanation
experimental, correlational, and survey
quantitative research designs
technique in which information is gathered from respondents. measures what people say and not what people do
survey research
study over time, observes trends in the same population
longitudinal
study at one point in time, studies current attitudes and trends
cross-sectional
fixed set of alternatives that are all possible, relevant options determined in advance, ease of data handling
closed-ended
respondents develop their own responses, thus response options are not predictable, complex data handling
open-ended
two basic forms of a survey
a questionnaire and an interview
the basic objects on which the experiment is done (when these are human, they are called subjects)
units
measure characteristic of a unit that is capable of taking on more than one value
variable
variable whose changes are being measured
dependent
variable that is being manipulated, also called a factor
independent
influences on the dependent variable from a source other than the independent variable
extraneous variables