June 1978
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53 Reads
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296 Citations
Child Development
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June 1978
·
53 Reads
·
296 Citations
Child Development
... Strong reliability and validity evidence has been reported for the SSP. Waters (1978) measured inter-observer agreement for overall SSP classifications at κ = 0.92; p < 0.001, and coders' scores for interactive behavior categories strongly correlated (r = 0.81) with an expert coders' ratings, on average. Regarding validity, much evidence exists in support of the SSP. ...
June 1978
Child Development