Lester M Coleman

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Speech addressed to different categories of listeners was examined in a study in which undergraduate women taught a block design task to either a 6-year-old child, a retarded adult, a peer who spoke English as a second language (foreigner), or a peer who was an unimpaired native speaker of English. The speech addressed to children differed from the speech(More)
Mammography has emerged as a reliable non-invasive technique for the early detection of breast cancer-the second leading cause of cancer-related mortality among American women. The radiographic appearance of the female breast consists of radiolucent (dark) regions due to fat and radiodense (light) regions due to connective and epithelial tissue. The amount(More)
Previous research has not systematically examined the relationship of perceived race-based discriminations to labor force participation or job related stresses-problems experienced by Black women. The present study investigated the relative contributions of perceived race-based discriminations and sociodemographic characteristics to employment status and(More)
This study examined how alcohol consumption over a single session can affect the likelihood of risky sex in adolescents. Risky sexual behavior, as defined in this study, included sexual intercourse without the use of contraception or aNY sexual behavior that was subsequently regretted. In-depth interviews were conducted with 64 adolescents (aged 14-17(More)
[1] In situ electric field (E) measurements and inferred lightning initiation locations of three cloud-to-ground flashes are used to identify a thunderstorm region in which the preflash E exceeded the threshold for runaway breakdown. The maximum measured E in the region was 186 kV m À1 at 5.77 km altitude, which for runaway electrons is equivalent to 370 kV(More)
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