LABORATORY EXPERIMENTS

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  • Created by: _Holly98
  • Created on: 12-12-15 11:28

LAB EXPERIMENTS

CONDUCTED HIGHLY CONTROLLED ENVIORNMENTS

STRENGTHS

  • HIGH CONTROL EXTREANOUS VARIABLE - AFFECT ON DV DUE IV
  • REPLICATION - INCREASE VALIDITY

WEAKNESS

  • LACK GERNERALISABILITY 
  • ARTIFICIAL - LOW EXTERNAL VALIDITY
  • RISE DEMAND CHARACTERSITICS 
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FIELD EXPERIMENTS

IV MANIPULATED NATURAL SETTING

STRENGTHS

  • HIGHER MUNDANE REALISM 
  • BEHAVIOUR MORE VALID & AUTHENTIC 
  • HIGH EXTERNAL VALIDITY (PARTICIPANTS NOT AWARE STUDIED)

WEAKNESS

  • NO CONTROL EXTREANOUS VARIABLES
  • ETHICAL ISSUES - NO CONSENT
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NATURAL EXPERIMENTS

RESEARCHER USES PRE-EXISTING VARIABLE

STRENGTHS

  • PRODUCE RESEARCH NOT UNDETAKEN ETHICAL / PRACTICAL REASONS
  • HIGH EXTERNAL VALIDITY - REAL LIFE

WEAKNESS

  • RARELY OCCUR
  • PARTICIPANTS NOT RANDOMLY ALLOCATED EXPERIMENTAL CONDITIONS
  • UNSURE IV AFFECTED DV
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QUASI EXPERIMENTS

IV BASED EXISTING DIFFERENCE PEOPLE

NO ONE MANIPULATED VARIABLE

STRENGTHS

  • CONTROLLED CONITIONS - SAME STRENGTH LAB

WEAKNESS

  • LIKE NATURAL - MAY BE CONFOUNDING VARIABLES
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