Methods in Developmental Psychology Flashcards
Lectures 2, 3, and 4 (57 cards)
important parts of research methods
- WHO is studied
- HOW data is collected
- The DESIGN of research
- Who does the data apply to
focus group (self/other report)
group interview
- More info, more insight
Not only “did you like it” but also “why did you like it?”
ways of gathering information
- self/other report
- naturalistic observation
- structured observation
- physiological measures
self/other report: types
- surveys and questionnaires
- interviews
- focus groups
- standardized tests
self report
asked to report on your own experiences
- might have parents or teachers report for children if they are unable to report for themselves
interview: (self/other report)
interview them about their foods, what kind of tastes that they like
- More info, more insight
focus group
group interview
- More info, more insight
- Not only “did you like it” but also “why did you like it?”
standardized tests
can be used across a wide population
naturalistic observation
observing behavior of interest in its natural setting
- go into the natural setting
- ex: go into the lunchroom of the school + observe how many of the kids choose the snack
naturalistic observation: drawback
- can include a LOT of information
- How do you record all the facial expression? Everything they eat? Etc.
- not all settings are equivalent; some settings might allow for other behaviors to occur
naturalistic observation: how to fix drawbacks
narrow down and include parameters
- time sampling
- event sampling
time sampling (natural. obsv.)
record all behaviors during pre-determined time periods
- set time period
- Have set time points to check in on behaviors that you’re looking for
event sampling (natural. obsv.)
record behavior every time event of interest occurs, but not other behaviors
- looking for specific behaviors that you’re interested in
- Every event of a pre-chosen behavior
- Ex: every time a kid says “yummy!”
importance of an operational definition (natural. obsv.)
a clear and detailed description of how you intend to measure a variable
- Ex: we understand what helping is, but in this study, we don’t know what we’re specifically defining as it
- With different definitions of helping, we end up with different counts of behavior
structured observation
researcher sets up a situation to evoke the behavior of interest
- the same situation is given to everyone; it’s set up by experimenters
- behavior observed in more controlled setting
- truly going to reflect the behavior as it exists in the real world
structured observation: drawbacks with kids
- you need to understand their physical development
- may feel unnatural
physiological measures
look at relationship between underlying physiological processes & the thing that we’re measuring
- EEG
- MRI
- fMRI
- NIRS
EEG
measures electrical activity of the brain
MRI
measures brain structure using magnetic fields
- info on how the structure of the brain looks
fMRI
measures blood flow in the brain using magnetic fields
- how might the brain respond to being aggressive at different times
NIRS
measures blood flow in the brain via light
- Shines red light into the head and measures changes in blood flow that go along with different stimuli
naturalistic observation: advantages
getting real behavior
○ Less ethical issues
○ Reflects real world behavior
○ Can be affordable
in children:
- Children may not notice, care, or are less influenced by the presence of people watching them
naturalistic observation: disadvantages
○ Observer bias: acting a different way when you know you’re being watched
○ The behavior might not occur; it might take long
○ Hard to control for anything or any variables
○ Hard to observe rare behavior
○ Difficult to control
Little insight into why behavior occurs
structured observation: advantages
○ You can control everything
○ Consistency; equal opportunity to respond to the same thing
- Easier to look for rare behaviors