Explaining the relation between IQ and deliquency: class, race, test motivation, school failure, or self-control?

Article Abstract:

A study was conducted to determine the direction of the inverse relation between IQ and delinquency using teenage male subjects participating in the Pittsburgh Youth Study. Results did not support the hypotheses that a third variable is responsible for low IQ and deliquency and that low IQ results from a delinquent lifestyle. However, they were consistent with the theory that low IQ leads to deliquency. For black youths, the effect of IQ was found to be mediated by academic performance.

Research, Teenage boys, Juvenile delinquency, Intelligence (Psychology), Intelligence levels

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Daily and weekly smoking habits: a Box-Jenkins analysis

Article Abstract:

Daily tobacco consumption is autocorrelated by being autodependent on previous smoking behavior. In this study smoking on any given day was a function of the number of cigarettes smoked on the previous day or day. However 45% exhibited autoregressiveness on a weekly basis. For example, the number of cigarettes smoked on any particular day is the same number smoked on the same day of the previous week. One participant had no discernable pattern.

Smoking, Tobacco habit

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