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Does the time of the academic quarter in which a subject participates in an electrodermal habituation study have an effect upon electrodermal response components—e.g., skin conductance level (SCL), skin conductance response (SCR), and spontaneous fluctuation (SF) activity? Four groups of 24 undergraduates (12 males and 12 females each) participated in an habituation session consisting of a 10‐min adaptation period and 15, 5‐sec bursts of 85 dB white noise, during the first, fourth, seventh, or tenth week of an eleven‐week quarter. Predictably, all three dependent variables were affected by the time of quarter (TOQ) manipulation and/or by the interaction of this variable with the sex of the participant. Relationships between three meteorological variables—temperature, humidity, and barometric pressure—and the electrodermal variables were also quantified. Several of the correlations between these meteorological variables and the electrodermal measures were found to be significantly greater than zero; however, when employed as covariates, these meteorological variables failed to significantly modify the effects of the independent variable manipulations upon the electrodermal measures. Results are discussed in terms of the need to adequately control for this potentially confounding variable in electrodermal research.

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This study examined the relationship between traditional machismo and prejudice toward lesbian and gay individuals as mediated by contact in a Latino college sample. Gender was examined as a potential moderator. Undergraduate students from a public university in South Texas (128 males and 447 females; mean age = 22.1. SD = 4.75) completed online measures of prejudice toward lesbian and gay individuals, machismo, and contact experience with lesbian and gay individuals. Contact significantly mediated the relationship between machismo and anti-gay prejudice, yet this indirect effect was relatively small. Significant direct and indirect effects of machismo on prejudiced attitudes toward lesbian and gay individuals were found. Gender did not moderate the relationship between machismo and contact. Our findings suggest that efforts to reduce Latinos' prejudice toward gay men and lesbian women should take cultural views toward gender roles into consideration. Increased positive contact experience with lesbian and gay individuals may be a possible avenue to decrease anti-gay prejudice that stems from heightened traditional machismo.