STRENGTHS

• WHAT WERE THE STRENGTHS OF VAN IJZENDOORN AND KROONENBERG'S RESEARCH?

  • controlled
  • population validity
• WHY WAS VAN IJZENDOORN AND KROONENBERG'S RESEARCH CONTROLLED?

  the researchers were standardised to only those who used strange situation
• WHAT DOES THE STANDARDISED NATURE OF RESEARCHERS OF VAN IJZENDOORN AND KROONENBERG'S RESEARCH MEAN?

  it was a highly controlled method
• WHAT DID THE HIGHLY CONTROLLED METHOD OF VAN IJZENDOORN AND KROONENBERG'S RESEARCH ALLOW FOR?

  multiple researchers to easily replicate technique exactly as designed
• WHAT DID THE EASY REPLICATION OF VAN IJZENDOORN AND KROONENBERG'S RESEARCH MEAN THE RESEARCH WAS?

  reliable as research can be relied upon to draw clear comparisons
• WHY DID VAN IJZENDOORN AND KROONENBERG'S RESEARCH HAVE HIGH POPULATION VALIDITY?

  cross cultural study, therefore it contained samples from a variety of cultures
• HOW MANY MOTHER AND INFANT PAIRS DID VAN IJZENDOORN AND KROONENBERG OBTAIN DATA FROM?

  almost 2000
• WHAT DID THE LARGE SAMPLE SIZE OF VAN IJZENDOORN AND KROONENBERG'S RESEARCH ALLOW FOR?

  a mix of individualist and collectivist cultures to be obtained for comparison
• WHAT DID THE MIX OF CULTURES OF VAN IJZENDOORN AND KROONENBERG'S RESEARCH CAUSE?

  population validity of findings increases
• WHAT DID THE INCREASED POPULATION VALIDITY OF VAN IJZENDOORN AND KROONENBERG'S RESEARCH ALLOW FOR?

  it to be generalised to wider population