An assessment of active versus passive methods for obtaining parental consent /

Ellickson, Phyllis L., 1942-

An assessment of active versus passive methods for obtaining parental consent / Phyllis L. Ellickson and Jennifer A. Hawes-Dawson. ; prepared for the Conrad N. Hilton Foundation. - California : Rand Corporation, 1989 - 11 p. ; 28 cm. - A Rand Note ; N-2935-CHF . - Rand Note ; N-2935-CHF. .

Hadiah


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