activity

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Activity

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.

activity

The amount of relative trading volume in a security.
References in periodicals archive ?
9 fold in the long term greater odds of people receiving behavioural graded activity meeting the recommendation for physical activity compared with those receiving usual care, mainly due to an increase in the amount of time spent walking in the behavioural graded activity.
First of all, the design of our study does not allow any conclusions to be drawn about which aspect of behavioural graded activity (eg, booster sessions) is most important for improving exercise adherence and physical activity.
In conclusion, behavioural graded activity with booster sessions results in better exercise adherence and a greater amount of physical activity than usual physiotherapy intervention, both in the short- and long-term.
Lindstrom I, Olhund C, Eek C, Wallin L, Petterson LE, Fordyce WE, et al (1992) The effect of graded activity on patients with subacute low back pain: a randomized prospective clinical study with an operant-conditioning behavioral approach.