Perceived effectiveness of school psychological services: A comparative study

In order to isolate variables present in school psychologists which may enhance effective delivery of school psychological service, supervisors of psychological services, classroom teachers, and building principals within the state of Iowa were asked to evaluate the performance of their school psychologist in 10 functional areas. Both supervisors and classroom teachers perceived those school psychologists with 4–9 years experience as the most effective. Teaching experience, as a requirement for school psychology certification, did not receive support. The level of training for the psychologist (degree) yielded conflicting results among the raters.     

Love,That Indispensable Supplement: Irigaray and Kant on Love and Respect

Is love essential to ethical life, or merely a supplement? In Kant's view, respect and love, as duties, are in tension with each other because love involves drawing closer and respect involves drawing away. By contrast, Irigaray says that love and respect do not conflict because love as passion must also involve distancing and we have a responsibility to love. I argue that love, understood as passion and based on respect, is essential to ethics.     

Infant sensitivity to distributional information can affect phonetic discrimination.

For nearly two decades it has been known that infants' perception of speech sounds is affected by native language input during the first year of life. However, definitive evidence of a mechanism to explain these developmental changes in speech perception has remained elusive. The present study provides the first evidence for such a mechanism, showing that the statistical distribution of phonetic variation in the speech signal influences whether 6- and 8-month-old infants discriminate a pair of speech sounds. We familiarized infants with speech sounds from a phonetic continuum, exhibiting either a bimodal or unimodal frequency distribution. During the test phase, only infants in the bimodal condition discriminated tokens from the endpoints of the continuum. These results demonstrate that infants are sensitive to the statistical distribution of speech sounds in the input language, and that this sensitivity influences speech perception.     

Is Internalism About Knowledge Consistent with Content Externalism?

There is widespread suspicion that there is a principled conflict between epistemic internalism and content externalism (or anti-individualism). Despite the prominence of this suspicion, it has rarely been substantiated by explicit arguments. However, Duncan Pritchard and Jesper Kallestrup have recently provided a prima facie argument concluding that internalism about knowledge and externalism about content are incompatible. I criticize the incompatibilist argument and conclude that the purported incompatibility is, at best, prima facie. This is, in part, because several steps in the argument are faulty and, in part, because there are promising responses available to the compatibilists.

The role of prior experience in language acquisition

Learners exposed to an artificial language recognize its abstract structural regularities when instantiated in a novel vocabulary (e.g., Gómez, Gerken, & Schvaneveldt, 2000; Tunney & Altmann, 2001). We asked whether such sensitivity accelerates subsequent learning, and enables acquisition of more complex structure. In Experiment 1, pre-exposure to a category-induction language of the form aX bY sped subsequent learning when the language is instantiated in a different vocabulary. In Experiment 2, while naíve learners did not acquire an acX bcY language, in which aX and bY co-occurrence regularities were separated by a c-element, prior experience with an aX bY language provided some benefit. In Experiment 3 we replicated this finding with a 24-hour delay between learning phases, and controlled for prior experience with the aX bY language's prosodic and phonological characteristics. These findings suggest that learners, and the structure they can acquire, change as a function of experience.     

Infant learning is influenced by local spurious generalizations

In previous work, 11‐month‐old infants were able to learn rules about the relation of the consonants in CVCV words from just four examples. The rules involved phonetic feature relations (same voicing or same place of articulation), and infants' learning was impeded when pairs of words allowed alternative possible generalizations (e.g. two words both contained the specific consonants p and t). Experiment 1 asked whether a small number of such spurious generalizations found in a randomly ordered list of 24 different words would also impede learning. It did – infants showed no sign of learning the rule. To ask whether it was the overall set of words or their order that prevented learning, Experiment 2 reordered the words to avoid local spurious generalizations. Infants showed robust learning. Infants thus appear to entertain spurious generalizations based on small, local subsets of stimuli. The results support a characterization of infants as incremental rather than batch learners.     

Expert Trespassing Testimony and the Ethics of Science Communication

Scientific expert testimony is crucial to public deliberation, but it is associated with many pitfalls. This article identifies one—namely, expert trespassing testimony—which may be characterized, crudely, as the phenomenon of experts testifying outside their domain of expertise. My agenda is to provide a more precise characterization of this phenomenon and consider its ramifications for the role of science in society. I argue that expert trespassing testimony is both epistemically problematic and morally problematic. Specifically, I will argue that scientific experts are subject to a particular obligation. Roughly, this is the obligation to qualify their assertions when speaking outside their domain of scientific expertise in certain contexts. Thus, I argue that scientists who possess expert knowledge are confronted with hard questions about when and how to testify and, therefore, that being a scientific expert comes with great responsibility. Consequently, I provide a concrete “expert guideline” according to which scientific experts, in certain contexts, face an obligation to qualify their assertions when speaking outside their domain of expertise. Furthermore, I consider a number of the conditions in which the guideline is waived or overridden. On this basis, I consider the broader aspects of the roles of scientific experts in a society with a high division of cognitive labor that calls for trust in scientific expert testimony.