Subjective frequency and imageability estimates for a sample of 3,600 French nouns were collected from two independent groups of 72 young adults each. Both groups received standard instructions and provided their ratings on a 7-point scale. The timing, sequencing, presentation of lexical stimuli, and recording of responses were controlled by a computer. All estimates of internal consistency and test-retest reliability ( .98) confirm the high level of precision and reliability of the ratings. Correlations with ratings drawn from similar studies were found to be positive and significant for subjective frequency (r .85) and for imageability (r .69). Subjective frequency was positively and significantly correlated with objective frequency estimates drawn from 10 different sources (r .42). Subjective frequency and imageability were significantly correlated (r .26), a relationship that was driven primarily by a sudden drop in imageability ratings for words with a subjective frequency rating below 2.5. The methodological implications of these findings are discussed. The ratings can be downloaded as supplemental materials from brm.psychonomic-journals.org/content/supplemental.
Dome-forming volcanic eruptions cyclically extrude bodies of lava over several months, which then become gravitationally unstable and collapse, generating pyroclastic flows. On 29 July 2001 extreme rainfall over Montserrat coincided with a major collapse of the Soufriere Hills lava dome. We present rainfall and seismic records that demonstrate, for the first time, a relationship between intense rainfall and lava dome collapse, with associated pyroclastic flow generation. After seven months of little rain and a period of sustained dome growth, the onset of intense rain was followed within hours by dome collapse and pyroclastic flows. The large-scale weather system responsible for the rain was identifiable in satellite images and predicted by meteorological forecasts issued 60 hours prior to the volcanic activity. It is suggested that weather prediction of intense rainfall be incorporated with existing geophysical and geochemical measurements to improve warnings of these hazardous events
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