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1. An act that requires use of resources or time. In Program Evaluation and Review Technique (PERT), an activity is represented by an arrow on a PERT chart.

2. In investing, the amount of a security's relative trading volume; that is, the amount of money flowing into and out of a security in trading. A high amount of activity means that many shares of the security are being bought and sold at a high rate, while a low level of activity indicates the opposite.


The amount of relative trading volume in a security.
References in periodicals archive ?
Nevertheless, we could not find studies that investigated the relationship between CA and leisure activity among emerging adults.
Since negative feelings toward leisure participation prevailed in many participants with RA, the TRS should not only pay attention to the leisure activity itself, but also to their negative feelings of leisure participation.
The purpose of this study was to explore the effects of parental monitoring, leisure boredom, and leisure activity on Internet addiction.
It is also important to extend prior investigations into the role of leisure activity during unemployment from a focus on youth and young-adult samples to an older cohort of unemployed persons.
And it is notable that one leisure activity - watching TV - is negatively linked to many of these things.
The single item that showed the largest difference in means for any of the items was the change between 1996 and 2001 in the frequency with which students "surfed the Internet" as a leisure activity.
Another potential explanation for the influence of leisure activity on depression may be the psychological benefits often associated with participation (Kinney & Coyle, 1992).
Sport was the second most frequent social leisure activity, identified by 23.
The primary motivation for participating in this type of leisure activity, and the most frequently mentioned aspect of arcades which was liked, was to meet friends and hang around; it was implied that this occurred without adult supervision.
Data were collected in two face-to-face interviews (see Table 1) and one observation of each participant's engagement in a leisure activity of choice.
Thus, a student can either locate a leisure activity that corresponds to a HOC or find a HOC that matches a particular activity.