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6 Cards in this Set

  • Front
  • Back

advantages of the method

appropriate language learning environment could be provided


studied for a long period of time


rich detailed data


complex interaction

disadvantages of method

findings may not be typical of all chimps


other studies may draw different conclusions and therefore study lacks external reliability

strengths of validity

established clear criteria to ensure expectation bias did not affect validity of results

weaknesses of validity

researches lack objectivity


expectations may bias recordings


observer bias


strengths of reliability

strict criteria followed 15 days by 3 observers


inter observer reliability increased


observers trained in use of the coding system

ethical issues

morrally questionable as it is not to alleviate human suffering