Schaffer

• What is one limitation of Schaffer's stages of attachment research?

  Lacks internal validity
• Why does the study mention investigator effects as a limitation?

  They could affect the assessment of anxiety
• How might the mother's account of separation anxiety be biased?

  Due to demand characteristics and social desirability
• What conclusion can we draw about the stages of attachment based on the limitations mentioned?

  They may not be genuine due to biases
• What ethical implications arise from using the Strange Situation in cross-cultural research?

  It may misrepresent child-rearing practices