Publications by authors named "R I Lanyon"

Presents an obituary for Leonard D. Goodstein, who died in Scottsdale, Arizona, on July 20, 2016, at the age of 89. Goodstein was CEO of APA at a crucial time in its history when it faced both crippling financial difficulties and intramural conflict regarding the purpose of the organization.

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The use of response bias indicators in psychological measurement has been contentious, with debate as to whether they actually suppress or moderate the ability of substantive psychological indicators to identify the construct of interest. Suppression would indicate that predictor variables contain invalid variance that the bias indicators can suppress, while moderation would indicate differential levels of predictive validity at different levels of bias. Response bias indicators on the Minnesota Multiphasic Personality Inventory (MMPI)-2-Restructured Form (MMPI-2-RF) [infrequent responses (F-r), infrequent somatic responses (Fs), infrequent psychopathology responses (Fp-r), adjustment validity (K-r), uncommon virtues (L-r), symptom validity (FBS-r), and Response Bias Scale (RBS)] were tested to determine whether they suppressed or moderated the ability of the Restructured Clinical Scale 1 (RC1) and Neurologic Complaints (NUC) scale to discriminate between epileptic seizures (ES) and nonepileptic seizures (NES, a conversion disorder that is often misdiagnosed as ES).

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The study investigated visual recognition of conspecifics and predators by settlement-stage coral reef fish larvae in a set of three experiments using a dual-choice aquarium (Moorea Island). Experiments 1 and 2 were conducted under artificial light conditions. Experiment 3 was conducted under natural light during new and full moon nights.

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In coral reefs, one of the great mysteries of teleost fish ecology is how larvae locate the relatively rare patches of habitat to which they recruit. The recruitment of fish larvae to a reef, after a pelagic phase lasting between 10 and 120 days, depends strongly on larval ability to swim and detect predators, prey and suitable habitat via sensory cues. However, no information is available about the relationship between brain organization in fish larvae and their sensory and swimming abilities at recruitment.

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The task of sustaining initial weight loss after gastric bypass surgery has been identified as the area of greatest concern in this intervention. The present study investigated the role of good vs. poor pre-operative health as a moderator variable in identifying useful pre-operative predictors of continued weight loss.

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