Expectancies, not aroma, explain impact of lavender aromatherapy on psychophysiological indices of relaxation in young healthy women.

  title={Expectancies, not aroma, explain impact of lavender aromatherapy on psychophysiological indices of relaxation in young healthy women.},
  author={Siobh{\'a}n Howard and Brian M Hughes},
  journal={British journal of health psychology},
  volume={13 Pt 4},
  • S. HowardB. Hughes
  • Published 1 November 2008
  • Psychology
  • British journal of health psychology
OBJECTIVES In aromatherapy, lavender aroma is reputed to assist with relaxation. However, while there is much anecdotal evidence to that effect, the empirical literature is very inconsistent. Failure to employ adequate placebos, proper blinding, objective measures, or screening of prior beliefs about aromatherapy means that many previous findings could have been influenced by expectancy biases. The present study sought to establish whether lavender aroma and/or expectancies affect post-stress… 

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