Barnes, Daniel R. M.S., Purdue University, December 2013. Age-Related Changes in the Production of Linguistic Prosody. Major Professor: Jessica E. Huber The production of speech prosody (the rhythm, pausing, and intonation associated with natural speech) is critical to effective communication. The current study investigated the impact of age-related changes to physiology and cognition in relati...

Computer-mediated communication is driving fundamental changes in the nature of written language. We investigate these changes by statistical analysis of a dataset comprising 107 million Twitter messages (authored by 2.7 million unique user accounts). Using a latent vector autoregressive model to aggregate across thousands of words, we identify high-level patterns in diffusion of linguistic cha...

Carl Rogers' article (see record 2007-14639-002) on the necessary and sufficient conditions for personality change has had a significant impact on the field of psychotherapy and psychotherapy research. He emphasized the client as arbiter of his or her own subjective experience and tested his hypothesized therapist-offered conditions of change using recorded sessions. This aided in demystifying ...

The primary aim of this study was to conduct a bivariate genetic analysis investigating the extent to which genetic and environmental factors contribute to stability and change in personality factors in the period from adolescence to young adulthood on a sample of Croatian twins. The sample used in this research was formed in 1992 based on a register of citizens of Zagreb and data was collected...

Personality (Big Five and self-esteem) effects on social relationship quality (perceived support and conflict) and vice versa were longitudinally studied during emerging adulthood. Rank-order stability correlations of personality and social relationship quality were investigated. Subsequently, the mechanisms that may underlie personality development across emerging adulthood were examined. Resu...

We introduce and analyze a new statistical ensemble of low-density parity-check convolutional (LDC) codes. The result of the analysis are bounds, such as a lower bound for the free distance and upper bounds for the burst error probability of the LDC codes.