Research Methods Flashcards
What are the benefits of a laboratory experiment
-Establishes a cause and effect relationship between iv and dv
-High internal validity
-easily replicable
What are the drawbacks of lab experiment
-Lack ecological validity can’t be applied to real life
-mundane realism not related to real life
-participants may alter behaviour due to demand characteristic
What are the benefits of field experiments
-Higher ecological validity behaviour can be applied to real life
-likely to have mundane realism as will be more realistic task
-participants less likely to show demand characteristics
What are the limitations of field study
-lack of control over extraneous variables that could influence DV
-low internal validity
What are the benefits of natural experiment
-Allows research into areas that could not happen in controlled experiments due to either ethical or cost reasons
-High external validity
-No demand characteristics
Limits of natural experiment
-extraneous variables can’t be controlled so can’t establish cause and effect relationship
-often rare events that can’t be replicated
Benefits of quasi experiment
Only way to study factors that are pre-existing characteristics of participants
Limits of quasi experiment
Confounding variables could be present
Controlled observation pros and cons
Pros:
-controlling the environment reduces likelihood that extraneous variables are responsible for behaviour
-reliable as it’s using standardised procedures
Cons:
-artificial environment could affect behaviour
Pros and cons of naturalistic observation
Pros:
-High realism participants show more naturalistic behaviour
-external validity behaviour is more generalisable
Cons:
-uncontrolled extraneous variables (lower internal validity)
Overt observation pros and cons
Pros:
-Ethical as participants have informed consent
Cons:
-participants more likely to show demand characteristics
Covert observation pros and cons
Pros:
-participants aren’t aware so they won’t show demand characteristics
Cons:
-argued that it’s unethical
Participants observation pros and cons
Pros:
-researcher could build rapport and gain more knowledge
Cons:
-could lose objectivity and cod become biased
Non participant observation
Pros:
- increased objectivity
Cons:
-can’t build rapport so behaviour could be less natural
What are open and closed questions
Open question: participant can answer freely and gives qualitative data
Closed question: participant has fixed options like yes or no and gives quantitative data