
Linebarger, D.L, Calvert, S., Barr, R.F., Gibson, L., Fenstermacher, S., Moses, A., Vaala. S., Lapierre, M. & Pempek, T. (2009, April). Longitudinal Study of Early Media Exposure and Subsequent School Readiness: April 2009 Update. Research Brief 14 prepared for Corporation for Public Broadcasting. Philadelphia, PA: Annenberg School for Communication, University of Pennsylvania.
Linebarger, D.L, Calvert, S., Barr, R.F., Pempek, T., Vaala. S., & Lapierre, M. (2009, April). Content Analysis of Educational Media Products for Infants, Toddlers and Preschoolers. Research Brief 18 prepared for Corporation for Public Broadcasting. Philadelphia, PA: Annenberg School for Communication, University of Pennsylvania.
Vaala, S. & Linebarger, D.L. (2009). Language promoting strategies embedded in infants' educational videos. A final report prepared for the Corporation for Public Broadcasting. Philadelphia, PA: Annenberg School for Communication, University of Pennyslvania.
Vaala, S.E., Barr, R. F., Garcia, A., Salerno, K., Brey, E., Fenstermacher, S.K., Pempek, T.A., Moses, A.M., Calvert, S., & Linebarger, D.L. (2009, April). Content analysis of language-promoting strategies embedded in infant educational programming. Poster session presented at the biennial meeting of the Society for Research in Child Development, Denver, CO
Linebarger, D. L., Fenstermacher, S. K., Brey, E., Pempek,T. A., Garcia, A., Ryan, M., Moses, A. M., Calvert, S., & Barr, R. (2009, March). Interactional quality depicted in infant-directed videos: Where are the interactions? Paper presented at the annual meeting of the Eastern Psychological Association, Pittsburgh, PA.