Intro to Research Methods Flashcards
Empirical Approach
use of observations in collecting data
Four Keys to Empirical Approach
- Why
- Whom
- How
- When
Hypothesis
statement of expected results (why)
population
(whom) to observe
a. entire population
b. sample of population
measures
- objective tests
- interviews
- direct observations of behavior
(how)
Timing
(when)
data
observations made by researchers resulting in either numbers or words
Qualitative Research
interview data described in a narrative that points out themes and trends
Experimental research
give treatments and observe if they cause changes in behavior
Random assignment
gives each participant an equal chance of being in either group
Classic simple experiment
researcher forms two groups and gives each group a different treatment
Experimental group
group receiving treatment
control group
group receiving no treatment
true experiment
participants divided at random
Non-experimental studies
- no treatments given
2. only observations of participants as they naturally exist
Most common type of non experimental study
survey or poll
survey or poll types
- interviews
2. questions
Attributes observed in survey studies
- attitudes
- beliefs
- behaviors
What is the purpose of an experiment?
to explore cause and effect relationships (i.e. treatments are given to see how they affect the participants)