Feng J., Spencer J.P., Schöner G., Clearfield M.W., & Thelen, E. (in press). A Novel Technology for Investigating the Dynamics of Infant Perseverative Reaching. Behavior Research Methods.

Clearfield, M.W., Feng, J., & Thelen, E. (in press). The development of reaching across the first year in twins of known placental type. Motor Control.

Clearfield, M. W., Smith, L.B., Diedrich, F. J. & Thelen, E. (2006). Young infants reach correctly on the A-not-B task: On the development of stability and perseveration. Infant Behavior and Development, 29, 435-444.

Clearfield, M.W. & Nelson, N.M. (2006). Sex differences in mothers’ speech and play behavior with 6-, 9-, and 14-month-old infants. Sex Roles, 54(1-2), 127-137.

Clearfield, M.W. & Westfahl, S. M-C. Familiarization in infants' perception of addition problems. Journal of Cognition and Development.

Clearfield, M.W. (2004). The role of crawling and walking experience in infantspatial memory. Journal of Experimental Child Psychology, 89(3) , 214-241.

Clearfield, M.W. (2004). Infants' enumeration of dynamic displays. Cognitive Development, 19(3) , 309-324.

Clearfield, M.W. & Mix, K.S. (2001). Infant use continuous quantity - not number - to discriminate small visual sets. Journal of Cognition and Development, 2(3), 243-260.

Eppler, M.A., Adolph, K.E., Marin, L., Weise, I.B., and Clearfield , M.W. (2000). Exploration in the service of locomotion. Infant Behavior and Development, 23, 441-460.

Clearfield , M.W. & Mix, K.S. (1999). Number versus contour length in infants' discrimination of small visual sets. Psychological Science, 10(5) , 408-411.  

Spencer, J.P., Clearfield, M., Corbetta, D., Ulrich, B., Buchanan, P., & Schoner, G. (in press). Moving towards a grand theory of development: In memory of Esther Thelen. Child Development.

Clearfield, M.W. (in press). A Dynamic Account of Infant Looking Behavior in Small and Large Number Tasks. In M.A. Vanchevsky (Ed.), Focus on Cognitive Psychology Research. Nova Science Publishers.

Clearfield , M.W. & Thelen, E. (2001). Stability and flexibility in the acquisition of skilled movement. Chapter in the Handbook of Developmental Cognitive Neuroscience , C. Nelson & M. Luciano (Eds.).

Clearfield, M.W., Diedrich, F., Dineva, E., Smith, L.B., & Thelen, E. (2006). Cue salience and memory in infant perseverative reaching: Tests of the Dynamic Field Model. Manuscript under review.

Feng J., Schöner G., Clearfield M.W., & Thelen, E. The Effects of Stimulus Features and Intensity on Infant Looking: A Test of the Dynamic Field Theory of Habituation. Manuscript under review.

Clearfield, M.W., Smith, L.B., & Thelen, E. (2006). The multimodal nature of memories in cue-switching tasks: Lessons from infant perseverative reaching. Manuscript under review.

Clearfield, M.W., Osborne, C.N. & Mullen, M.N. (2006). Learning by looking: Infants’ social looking behavior across the transition from crawling to walking. Manuscript in preparation.

Clearfield, M.W., Smith, L.B. & Thelen, E. (2006).  Perseveration is a developmental achievement: Lessons from the A-not-B task. Paper presented at the International Conference on Developmental Learning, Bloomington, IN.

Clearfield, M.W. & Brey, E.L. (2006) The Effect of Walking Onset on Infant Temperament: A Longitudinal Study Poster presented at the Conference on Human Development, Lousiville, KY.

Clearfield, M.W. & Osborne, C.N. (2006) Learning to walk changes infants’ social looking behavior Poster presented at the Conference on Human Development, Lousiville, KY.

Dineva, E. & Clearfield, M.W. (2005). The dynamics of memory for transient cues in the A-not-B task. Poster presented at the Cognitive Development Society Conference, San Diego, CA.

Clearfield, M., Diedrich, F., Smith, L.B., & Sch­öner, G. (2005, April). From action to embodied cognition: Bridging the great divide. In J.P. Spencer & G. Schöner (Chairs), Moving toward a grand theory of development: In memory of Esther Thelen. Presidential Address presented at the Biennial Conference of the Society for Research in Child Development, Atlanta, GA.

Corbetta, D., Clearfield, M., Gormley, D., Spencer, J.P., & Galloway, J.C. (2005, April). The transition to reaching: Mapping intentions to intrinsic dynamics. In J.P. Spencer & G. Schöner (Chairs), Moving toward a grand theory of development: In memory of Esther Thelen. Presidential Address presented at the Biennial Conference of the Society for Research in Child Development, Atlanta, GA.

Mullen, M.K., Osborne, C.N . & Clearfield, M.W. (2005). Infants' social referencing in the context of social looking behaviors. Poster to be presented at the Biennial meeting of the Society for Research in Child Development, Atlanta , GA.

Nelson, N.M., Karas, E.M. & Clearfield, M.W. (2005). Infant gender affects mothers' speech and interaction style at 6, 9, and 14 months. Poster to be presented at the Biennial meeting of the Society for Research in Child Development, Atlanta , GA.

Clearfield, M.W., Morgan, S., Reder, M., Fabritius, S., Halprin, J.A., Harring, K., Neylon, M.P., & Wixon, K. (2004). Models for Faculty Development: Teaching and Learning Centers at Small Colleges. Symposium presented at Annual meeting of Professional and Organizational Development, Montreal, Canada .

Clearfield , M.W., Mullen, M.K ., & Nelson, N.M . (2004). The effects of locomotor posture on infants' social and exploratory behaviors. Poster presented at the International Conference on Infant Studies, Chicago, IL.

Clearfield, M.W.& Westfahl, S.M-C. (2004). Familiarization in infants' perception of addition problems. Poster presented at the International Conference on Infant Studies, Chicago, IL.

Westfahl, S.M-C. & Clearfield , M.W. (2003). Familiarization in infants' perception of addition problems. Poster presented at the European Conference on Human Development, Milan, Italy.

Clearfield, M.W. (2003). The role of rhythm in infants' enumeration of events. Poster presented at the biennial meeting of the Society for Research in Child Development, Tampa, FL.

Neel, K.S. & Clearfield, M.W. (2003). Age-related changes in infants' social referencing of mothers and strangers. Poster presented at the biennial meeting of the Society for Research in Child Development, Tampa, FL.

Clearfield, M.W. (2002). The role of locomotor experience in the development of navigational memory. Poster presented at the International Conference on Infant Studies, Toronto, Canada .

Clearfield, M.W., Mix, K.S., & Drake, P.D. (2001). Infants' discriminations of small and large sets. Symposium presented at the biennial meeting of the Society for Research in Child Development, Minneapolis, MN.

Thelen, E., Clearfield, M.W., and Feng, J. (2001). Genetic and environmental contributions to the development of reaching in twins of known placental type. Poster presented at the biennial meeting of the Society for Research in Child Development, Minneapolis, MN.

Clearfield, M.W. & Thelen, E. (2000). Reaching really matters: The development of infant perseverative reaching errors. Symposium presented at the International Conference on Infant Studies, Brighton, UK.

Drake, P.E., Mix, K.S., & Clearfield, M.W. (2000). Precursors to number: Making the most of continuous amount. Poster presented at the Twenty-second Annual Meeting of the Cognitive Science Society, Philadelphia, PA.

Clearfield, M.W. & Diedrich, F.J. (1999). The role of cue salience and memory demand in the A-not-B task. Poster presented at the biennial meeting of the Society for Research in Child Development, Albuquerque, NM.

Clearfield, M.W. & Mix, K.S. (1999). Infants use contour length – not number – to discriminate small visual sets. Poster presented at the biennial meeting of the Society for Research in Child Development, Albuquerque , NM .

Clearfield, M.W. & Thelen, E. (1998). The effect of developing reaching skill on infant perseverative reaching errors. Poster presented at the International Conference on Infant Studies, Atlanta, GA.

Clearfield, M.W. (1997). The effect of developing reaching skill on infant perseverative reaching errors. Paper presented at the 1997 Midwest Developmental Research Forum, Bloomington, IN.

Wechsler, M.A. & Adolph, K.E. (1995). Learning new ways of moving: Variability in infants' discovery and selection of motor strategies. Poster presented at the biennial meeting of the Society for Research in Child Development, Indianapolis, IN.

Eppler, M.A. & Wechsler, M.A. (1994). A longitudinal study of crawling infants' attention to ground surfaces. Poster presented at the 13th biennial Conference on Human Development, Pittsburgh, PA.

Eppler, M.A., Wechsler, M.A., Gendron, M.S. & Vineberg, D.A. (1993). The exploratory behavior of 8.5-month-old crawlers in response to alterations in ground surfaces. Poster presented at the 1993 Infancy Conference, Vancouver, BC .

Eppler, M.A. & Wechsler, M.A. (1993). Exploring the properties of ground surfaces: Fourteen-month-old toddlers' responses to variations in the terrain. Poster presented at the biennial meeting of the Society for Research in Child Development, New Orleans, LA.