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Starns, Jeffrey J.; Rotello, Caren M.; Ratcliff, Roger – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2012
Koen and Yonelinas (2010; K&Y) reported that mixing classes of targets that had short (weak) or long (strong) study times had no impact on zROC slope, contradicting the predictions of the encoding variability hypothesis. We show that they actually derived their predictions from a mixture unequal-variance signal detection (UVSD) model, which…
Descriptors: Evidence, Prediction, Study Habits, Models
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Olson, Janet; Masur, Elise Frank – First Language, 2013
Thirty infants at 1;1 and their mothers were videotaped while playing for 18 minutes. Experimental stimuli were presented in three communicative intent contexts--proto-declarative, proto-imperative, and ambiguous--to elicit infant communicative bids that did and did not contain gestures. Mothers' responses were analyzed, and their verbal responses…
Descriptors: Mothers, Mother Attitudes, Infants, Parent Child Relationship
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Foley, Mary Ann; Ratner, Hilary H.; Gentes, Emily – Journal of Cognition and Development, 2010
The role of focusing 4-year-olds' attention on "feeling" or "looking" was examined in three experiments by testing predictions about children's memory for their interactions with an adult partner as they engaged in a collaborative task. Children made collages with an adult partner, and they were later asked to remember who placed the pieces on the…
Descriptors: Memory, Art Products, Experiments, Interaction
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Krishnan, Ananthanarayan; Gandour, Jackson T.; Smalt, Christopher J.; Bidelman, Gavin M. – Brain and Language, 2010
Experience-dependent enhancement of neural encoding of pitch in the auditory brainstem has been observed for only specific portions of native pitch contours exhibiting high rates of pitch acceleration, irrespective of speech or nonspeech contexts. This experiment allows us to determine whether this language-dependent advantage transfers to…
Descriptors: Cues, Mandarin Chinese, Coding, Cognitive Processes
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Longo, Matthew R.; Bertenthal, Bennett I. – Infancy, 2006
Do 9-month-old infants motorically simulate actions they perceive others perform? Two experiments tested whether action observation, like overt reaching, is sufficient to elicit the Piagetian A-not-B error. Infants recovered a toy hidden at location A or observed an experimenter recover the toy. After the toy was hidden at location B, infants in…
Descriptors: Observation, Error Patterns, Infants, Toys
Tapp, Jon; Wehby, Joseph – 1993
The Multiple Option Observation System for Experimental Studies (MOOSES) is a flexible data collection and analysis package for applied behavioral research that addresses the needs of researchers interested in live coding of observational data. MOOSES allows the researcher to design a coding system for a particular research question. General types…
Descriptors: Behavioral Science Research, Coding, Computer Software, Data Analysis