Since it is often very difficult to gauge this time interval, and whether it exceeds 3 min, a number of both preclinical investigators [ 4- 6] and clinical investigators [ 7, 8] have sought an electrocardiographic predictor of the likelihood that an electrical shock will restore circulation.
Job interviews are nerve wracking and it can often be difficult to gauge how well one went.
For the publisher, it's an effort to address the "dark sharing" problem in which scientists and readers share PDF copies, making it difficult to gauge how often they're being read. .
Thus, benefits of policy measures directed to reduce environmental exposures are difficult to gauge and policy measures often have to be taken without conclusive scientific evidence.
It is difficult to gauge how much online spending is driven by college students.
It could be as much as 3%to5%5% but it is difficult to gauge at the moment.
It's difficult to gauge how much training police officers receive on mental health issues.
Still, the consumption of literature is often a silent, contemplative activity, so support for the program can be difficult to gauge.
In theatre, however, the clinical outcome is often measured by the results of the operation alone, which makes it difficult to gauge whether or not staffing levels in theatre have had an affect.
Just how much outrage is focused on the issue is difficult to gauge.
It is also difficult to gauge the costs of the treatments described, since they are often administered by therapists working for charities on a voluntary basis.
