IB Psychology HL - BLOA - How And Why Particular Research Methods Are Used In BLOA
These involve manipulating an independent variable (IV) to observe its effect on a dependent variable (DV), often under controlled conditions. This method allows researchers to establish cause-and-effect relationships.
research methods used in BLOA
experimental studies (using scientific method)
case studies
correlational studies
Key Terms
research methods used in BLOA
experimental studies (using scientific method)
case studies
correlational studies
experimental studies
manipulates the IV to test its effect on a DV
used because they show clear causation between variables
thus s...
example of a typical experimental study
Bock and Goode (1996)
engineered genetic mutant mice with abnormally few serotonin receptors
to study the effect of se...
case studies
offers detailed insight into rare disorders caused by biological problems
collects as many details as possible
- <...
example of a typical case study
Sacks (2007)
studied the musician Clive Wearing
suffers retrograde and anterograde amnesia
correlational studies
doesn’t necessarily involve the manipulation of IV
takes score on 2 or more measures and works out the relationship between ...
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| Term | Definition |
|---|---|
research methods used in BLOA |
|
experimental studies |
Example: Bock and Goode (1996) |
example of a typical experimental study | Bock and Goode (1996)
IV: amount of serotonin receptors |
case studies |
Example: Sacks (2007) |
example of a typical case study | Sacks (2007)
|
correlational studies |
Example: Zietsch et al. (2008) |
example of a typical correlational study | Zietsch et al. (2008)
|