Topic 2 Flashcards
Prefrontal Lobotomy
Used to treat schizophrenia and other severe mental disorders
Severed the fibers connecting the frontal lobe and thalamus
originally popularized by subjective clinical reports
studies showed it did not work and had serious negative effects
Doing research
Determine research question and hypothesis
Operationalize variables
Identify your study participants
Create you study material
Obtain ethics approval
Do research
Internal and external validity
Relates to how well a study is conducted
Relates to how applicable the findings are in the real world
Population vs samples
Population: Entire group of people of interest
Sample: A smaller group of people, drawn form the population
Random Selection
A key ingredient for generalizability
choosing participants from a larger population in such a way that every person has an equal chance of being selected
ensures samples are accurate
Operational Definition
Transplating your research question into specific, testable procedures that can be measured & observed
The methods Toolbox
Descriptive:
* Naturalistic observation
*case study
* Self-report measures and surveys
Relationship B/W variables:
* Correlational Designs
Cause & Effect:
* Expiremental designs
Naturalistic observation
Watching behavior in a natural/real-world setting
Advantages:
*High external validity
*Rich, detailed information
*Sometimes the only possible way
Disadvantages:
*lack of control
*Time and resource consuming
*Observer bias
*cant draw cause and effect conclusions
Case Studies
In depth analysis of a single person or setting
Comoon when studying rare, unusual, or noteworthy phenomena
Advantages:
*Rich, detailed description of data
*Sometimes the only possible method
Disadvantages:
* Low external validity
* Researcher bias
Self-reports/Survey methods
Involves collecting data by asking participants to describe their behaviors, attitudes, views, perceptions
Advantages:
* Affordable & Efficient
* Anonymity
* Snapshot of how a group of people think/behave
* Can inform policy, lawmakers, and public agencies
Disadvantages:
* Assumptions are that people answer honestly and provide meaningful responses BUT
* careless/random responding, misunderstanding question
*Reponse Bias
Dealing with social desirability
Question - wording
Embedding reverse score items
Social desirablity scales
Choosing a measure
What is your operation variable and research question?
Make your own measure OR use established
What is the cost of the measure
Monetary
Practical (compensation)
What is the equality of the measure
is it reliable
is it valid
Evaluating measures
Reliability: consistency of measurements
Validity: the extent to which a measure assesses what it claims to measure