Observational study of behavior: sampling methods.

@article{Altmann1974ObservationalSO,
  title={Observational study of behavior: sampling methods.},
  author={Jeanne Altmann},
  journal={Behaviour},
  year={1974},
  volume={49 3},
  pages={
          227-67
        }
}
Seven major types of sampling for observational studies of social behavior have been found in the literature. These methods differ considerably in their suitability for providing unbiased data of various kinds. Below is a summary of the major recommended uses of each technique: In this paper, I have tried to point out the major strengths and weaknesses of each sampling method. Some methods are intrinsically biased with respect to many variables, others to fewer. In choosing a sampling method… 

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