<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">For a single-child data point, you can look at Peters, A., and Menn, L. (1993) <SPAN style=""><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;">False starts and filler syllables: Ways to learn grammatical morphemes. <I>Language</I></SPAN></FONT><SPAN style="mso-spacerun: yes"><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;"><I> </I></SPAN></FONT></SPAN></SPAN><SPAN style=""><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;">69:4 (1993). pp. 742-777.</SPAN></FONT></SPAN><FONT class="Apple-style-span" size="4"> </FONT>Daniel was still demonstrably not comprehending the plural marker at 2;2.19, but started to produce it (and presumably to comprehend it??) about two weeks later. <DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>Lise Menn<DIV><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV><FONT class="Apple-style-span" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;"><BR></SPAN></FONT><DIV><DIV style="text-indent: -48px;">On Mar 8, 2006, at 6:47 AM, Michael Tomasello wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Brian,</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">The youngest children to add English plural -s in a production experiment with novel verbs are, to my knowledge, 21-22 months (4 of 10 children at least once).<SPAN class="Apple-converted-space"> </SPAN>I know of no preferential looking experiments examining this with novel verbs.<SPAN class="Apple-converted-space"> </SPAN>Reference:</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Tomasello, M., Akhtar, N., & Dodson, K., Rekau, L. (1997). Differential productivity in young children's use of nouns and verbs.<SPAN class="Apple-converted-space"> </SPAN>Journal of Child Language, 24, 373-87.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Best,</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Mike</DIV> </BLOCKQUOTE></DIV><BR><DIV> <SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Lucida Grande; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Lucida Grande; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Lucida Grande; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Lucida Grande; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><P class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">Prof. Lise Menn, </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">Hellems 293 </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">Linguistics Department, </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">University of Colorado </SPAN></SPAN></SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><O:P style="color: rgb(0, 0, 255); font-size: 13.3333px; "></O:P></SPAN></FONT></SPAN></P><P class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">295 UCB </SPAN></SPAN></SPAN></FONT><SPAN style="mso-tab-count:1"><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "> </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style="mso-tab-count:1"><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "> </SPAN></SPAN></SPAN></FONT></SPAN><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "> phone 303-492-1609</SPAN></SPAN></SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><O:P style="color: rgb(0, 0, 255); font-size: 13.3333px; "></O:P></SPAN></FONT></SPAN></P><P class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">Boulder, Colorado </SPAN></SPAN></SPAN></FONT><SPAN style="mso-spacerun: yes"><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "> </SPAN></SPAN></SPAN></FONT></SPAN><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">office fax 303-492-4416</SPAN></SPAN></SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><O:P style="color: rgb(0, 0, 255); font-size: 13.3333px; "></O:P></SPAN></FONT></SPAN></P><P class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">80309-0295</SPAN></SPAN></SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><O:P style="color: rgb(0, 0, 255); font-size: 13.3333px; "></O:P></SPAN></FONT></SPAN></P><P class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "> </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">Lise Menn's home page </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><A href="http://www.colorado.edu/linguistics/faculty/lmenn/">http://www.colorado.edu/linguistics/faculty/lmenn/</A></SPAN></SPAN></SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><O:P style="color: rgb(0, 0, 255); font-size: 13.3333px; "></O:P></SPAN></FONT></SPAN></P><P class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "> </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">"Shirley Says: Living with Aphasia" </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><A href="http://spot.colorado.edu/~menn/Shirley4.pdf">http://spot.colorado.edu/~menn/Shirley4.pdf</A></SPAN></SPAN></SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><O:P style="color: rgb(0, 0, 255); font-size: 13.3333px; "></O:P></SPAN></FONT></SPAN></P><P class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "> </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">Japanese version of "Shirley Says" </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><A href="http://www.bayget.com/inpaku/kinen9.htm">http://www.bayget.com/inpaku/kinen9.htm</A></SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "></SPAN></SPAN></FONT></SPAN></P><P class="MsoNormal" style="mso-pagination:none;mso-layout-grid-align:none; text-autospace:none"><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; ">Academy of Aphasia </SPAN></SPAN></SPAN></FONT></SPAN><SPAN style=""><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "><A href="http://www.academyofaphasia.org/doc">http://www.academyofaphasia.org/doc</A></SPAN></SPAN></SPAN></FONT></SPAN><FONT class="Apple-style-span" color="#0000FF" size="4"><SPAN class="Apple-style-span" style="font-size: 13.3333px;; color: rgb(0, 0, 255); "><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "></SPAN><SPAN class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 13.3333px; "></SPAN></SPAN></FONT></P></SPAN></SPAN></SPAN><BR class="Apple-interchange-newline"></SPAN> </DIV><BR></DIV></DIV></BODY></HTML>