For our first patrons-only book club, you voted on "Meaningful Differences" by Hart and Risley. And here it is: 2+ hours all about this classic, and sometimes controversial, book documenting Betty Hart and Todd Risley's longitudinal study exploring the home lives of 42 families to try to determine why some children develop more robust language than others. If you ever wondered where the 30 million word gap comes from, you've found it. Interested in listening to the definitive podcast about "Meaningful Differences" (IMHO) AND earning 2 learning credits? Head on over to our Patreon page and join up at the $10 or up level to get access to these episodes as well as monthly social meet-up opportunities and discounts in our regular CE store. Works discussed this episode: Hart, B., & Risley, T. R. (1995). Meaningful differences in the everyday experience of young American children. Baltimore, Md: Paul H. Brookes. Sperry, D.E., Sperry, L.L., & Miller, P.J. (2019). Reexamining the verbal environments of children from different socioeconomic backgrounds. Child Development, 90, 1303-1318. doi: 10.1111/cdev.13072 Golinkoff, R.M., Hoff, E., Rowe, M.L., Tamis-LeMonda, C.S., & Hirsh-Pasek, K. (2019). Language matters: Denying the existence of the 30-million word gap has serious consequences, Child Development, 90, 985-992. doi: 10.1111/cdev.13128 Gilkerson, J., Richards, J.A., Warren, S.F., Montgomery, J.K., Greenwood, C.R., Oller, DK., Hansen, J.H.L., & Paul, T.D. (2017). Mapping the early language environment using all-day recordings and automated analysis. American Journal of Speech-Language Pathology, 26, 248-265. doi: 10.1044/2016_AJSLP-15-0169
No persons identified in this episode.
This episode hasn't been transcribed yet
Help us prioritize this episode for transcription by upvoting it.
Popular episodes get transcribed faster
Other recent transcribed episodes
Transcribed and ready to explore now
Before the Crisis: How You and Your Relatives Can Prepare for Financial Caregiving
06 Dec 2025
Motley Fool Money
OpenAI's Code Red, Sacks vs New York Times, New Poverty Line?
06 Dec 2025
All-In with Chamath, Jason, Sacks & Friedberg
OpenAI's Code Red, Sacks vs New York Times, New Poverty Line?
06 Dec 2025
All-In with Chamath, Jason, Sacks & Friedberg
Anthropic Finds AI Answers with Interviewer
05 Dec 2025
The Daily AI Show
#2423 - John Cena
05 Dec 2025
The Joe Rogan Experience
Warehouse to wellness: Bob Mauch on modern pharmaceutical distribution
05 Dec 2025
McKinsey on Healthcare