<div dir="ltr">Samples that are less than 50 WORDS long may not be sufficient to measure much that is generalizable about children's language other than how much they talked in that context? Likewise, rate of vocabulary production does not reflect much about its content. We also have an article coming out shortly that suggests most vocabulary measures reflect topical and number of topic effects?<div>It might help if I understood more about the question at hand, such as whether group size impacts children's likelihood of verbal participation?</div><div><br></div><div>kindest regards to all,</div><div>NBR</div><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Nan Bernstein Ratner, F-, H-ASHA, F-AAAS, ABCLD</div><div>Professor</div><div>Hearing and Speech Sciences</div><div>University of Maryland</div><div>0100 Lefrak Hall</div><div>College Park, MD 20742</div><div><a href="mailto:nratner@umd.edu" target="_blank">nratner@umd.edu</a>, 301-405-4217   <a href="https://umd.zoom.us/j/7924324343" target="_blank">My Zoom</a></div><div><br></div><div>Co-director: FluencyBank (<font color="#0000ff"><a href="http://www.fluency.talkbank.org" target="_blank">www.fluency.talkbank.org</a></font>);  <a href="http://languagefluency.umd.edu/" target="_blank">http://languagefluency.umd.edu/</a>  </div><div><br></div><div>Immediate Past President, International Fluency Association (IFA; <a href="http://theifa.org" target="_blank">http://theifa.org</a>)</div><div>Director, University of Maryland Autism Research Consortium (UMARC), <a href="http://www.autism.umd.edu" target="_blank">www.autism.umd.edu</a></div><div>Faculty, Language Science (<a href="http://languagescience.umd.edu" target="_blank">languagescience.umd.edu</a>; Neuroscience & Cognitive Neuroscience (NACS, <a href="http://nacs.umd.edu" target="_blank">nacs.umd.edu</a>), Developmental Science Field Committee</div><div><br></div><div><a href="https://hesp.umd.edu/facultyprofile/bernstein-ratner/nan" target="_blank">https://hesp.umd.edu/facultyprofile/bernstein-ratner/nan</a><br></div><div><br></div><div><br></div><div>My PubMed bibliography: <a href="https://www.ncbi.nlm.nih.gov/myncbi/1RORcBHUvuRQ82/bibliography/public/" target="_blank"><span style="font-size:11pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">https://www.ncbi.nlm.nih.gov/myncbi/1RORcBHUvuRQ82/bibliography/public/</span></a></div></div></div></div></div></div></div></div></div></div></div></div>

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