A useful and simple way to distinguish between physiological and psychological impotence is to determine whether the patient ever has an erection.

It is indeed very often said that media could be useful ( in the point of view of someone looking for a control over the forming of consensus ) in order to discipline the popular sentiments, by detracting the public from the apocalyptic problems of mankind ( e. g. global warming, ozone hole, radioactive waste, ...), and by the " psychological warfare " threatening their own public until it accepts foreign or external interventions.

Social engineering as applied to security is the exploitation of various social and psychological weaknesses in individuals and business structures, sometimes for penetration testing but more often for nefarious purposes, such as espionage against businesses, agencies, and individuals, typically toward the end of obtaining some illegal gain, either of useful but restricted or private information or for monetary gain through such methods as phishing to obtain banking account access, or for purposes of identity theft, blackmail, etc ..

He noted that " the treatment of insanity ( l ’ aliénation mentale ) without considering the differentiating characteristics of the patients distinction des espèces has been at times superfluous, rarely useful, and often harmful ", describing the partial or complete failures of some psychological approaches, as well as the harm that the usual cruel and harsh treatments caused to patients before they came to his hospital.

Nevertheless, the proportional distribution of any given conversation between the categories can offer useful psychological insights into the mind set of the participants.

If it is due to anxiety as the cause of hyperventilation syndrome, a few days of benzodiazepines and psychological referral for cognitive behavioral therapy may be useful.

Although the technique is especially useful against subjects who are young, frightened, or naïve, it may still cause an instinctive psychological response in those who are familiar with it.

Some authors have demonstrated that Neuroeconomics ' tools may be useful not only to describe experiments involving rewarding but may also be applied in order to describe the psychological behavior of common psychiatric syndromes involving addiction as well as delusion.

While some researchers prefer to simply describe the adaptive value of observable habituated behavior others find it useful to infer psychological processes from the observed behavior change.

During the course of the story, it is revealed that a large part of why the heroes were rejected from the original Legion was due subtle psychological scans run by Saturn Girl, however, they were denied because they either lacked control of their abilities or they were not useful enough.

These include creating useful controllers for real-world robot tasks, exploring the intricacies of evolutionary theory ( such as the Baldwin effect ), reproducing psychological phenomena, and finding out about biological neural networks by studying artificial ones.

While Tyler was physically incapable of helping Raven defeat The Sandman, he was a useful psychological distraction.

PCT contributes a useful perspective in understanding psychological disorders by first providing a model of satisfactory psychological functioning.

This property can be useful, for instance to test for the presence of humans as with CAPTCHAs, and for computer security to circumvent brute-force attacks.

In some applications it is useful to be able to compute the Bernoulli numbers B < sub > 0 </ sub > through B < sub > p − 3 </ sub > modulo p, where p is a prime ; for example to test whether Vandiver's conjecture holds for p, or even just to determine whether p is an irregular prime.

Thyroid scintigraphy is a useful test to characterize ( distinguish between causes of ) hyperthyroidism, and this entity from thyroiditis.

In addition, hello world can be a useful sanity test to make sure that a language's compiler, development environment, and run-time environment are correctly installed.

The two-sample KS test is one of the most useful and general nonparametric methods for comparing two samples, as it is sensitive to differences in both location and shape of the empirical cumulative distribution functions of the two samples.

This is useful for devices such as thermostats, which periodically test the temperature around them to see if they need to turn the air conditioner on, the heater on, etc.

::“ It is truly a whimsical supposition that, if mankind were agreed in considering utility to be the test of morality, they would remain without any agreement as to what is useful, and would take no measures for having their notions on the subject taught to the young, and enforced by law and opinion … to consider the rules of morality as improvable, is one thing ; to pass over the intermediate generalisations entirely, and endeavour to test each individual action directly by the first principle, is another … The proposition that happiness is the end and aim of morality, does not mean that no road ought to be laid down to that goal … Nobody argues that the art of navigation is not founded on astronomy, because sailors cannot wait to calculate the Nautical Almanack.

The airflow created by the fans that is entering the tunnel is itself highly turbulent due to the fan blade motion ( when the fan is blowing air into the test section – when it is sucking air out of the test section downstream, the fan-blade turbulence is not a factor ), and so is not directly useful for accurate measurements.

Group delay is a useful measure of time distortion, and is calculated by differentiating, with respect to frequency, the phase response versus frequency of the device under test ( DUT ).

It often also makes it useful as a general verification tool, test coverage and performance analyzer, especially if instruction path lengths are shown.

It is also a useful test to investigate acute abdominal pain.

* Electroencephalography: Diagnostic test of thalamocortical rhythms ( brain waves ), useful in evaluating seizures and various abnormalities of the central nervous system.

Sometimes Daphnia may be used in certain environments to test the effects of toxins on an ecosystem, which makes them ' an indicator genus, particularly useful because of its short lifespan and reproductive capabilities.

The exercise test is also useful in looking for other markers of myocardial ischaemia: blood pressure response ( or lack thereof, particularly a drop in systolic pressure ), dysrhythmia and chronotropic response.

They are interested in the potential use of folksonomy within museums and the requirements for post-processing of terms that have been gathered, both to test their utility and to deploy them in useful ways.

Because the ELISA can be performed to evaluate either the presence of antigen or the presence of antibody in a sample, it is a useful tool for determining serum antibody concentrations ( such as with the HIV test or West Nile virus ).

Therefore, these tests are useful for diagnosing infectious mononucleosis in people with highly suggestive symptoms and a negative heterophile antibody test.

Another test searches for the Epstein – Barr nuclear antigen, while it is not normally recognizable until several weeks into the disease, and is useful for distinguishing between a recent-onset of infectious mononucleosis and symptoms caused by a previous infection.

S. aureus is catalase-positive ( meaning it can produce the enzyme catalase ), so is able to convert hydrogen peroxide ( H < sub > 2 </ sub > O < sub > 2 </ sub >) to water and oxygen, which makes the catalase test useful to distinguish staphylococci from enterococci and streptococci.

This can be useful in cases where one wishes to be able to test for equality without decrypting or separately storing a hash.

Even when a deterministic primality proof is required, a useful first step is to test for probable primality.

PawPeds provide pedigree data base which come together with health programmes, through publishing each single cat's test result, to provide useful information for breeders who aim to breed healthy cat make a well informed breeding decision.

The 20-to-1 ratio for cochannel interference embodies one of the fundamental limiting principles which we must always take into account in AM assignments and allocations -- that signals from a particular station are potential sources of objectionable interference over an area much greater than that within which they provide useful service.

If my poor talents can be useful in any other land, they must be of some utility to Italy ; and ought not her claim to be preferred to all others?

In general topological spaces, however, the different notions of compactness are not necessarily equivalent, and the most useful notion, introduced by Pavel Alexandrov and Pavel Urysohn in 1929, involves the existence of certain finite families of open sets that " cover " the space in the sense that each point of the space must lie in some set contained in the family.

In general topological spaces, however, the different notions of compactness are not equivalent, and the most useful notion of compactness — originally called bicompactness — involves families of open sets that " cover " the space in the sense that each point of the space must lie in some set contained in the family.

Each of these three streams may be handled by different programs, processes, or hardware ; but for the multimedia data streams to be useful in stored or transmitted form, they must be encapsulated together in a container format.

* “ useful “ — in conjunction with being context-specific, the help menu must be comprehensive in including all of the information that the user seeks

This flag is useful for critical information that must not be modified or erased, such as special files that are used only by internal parts of the computer system.

However, any file that has any useful purpose, outside of a thought experiment, must have some physical manifestation.

For a useful interpretation of human reality, to share faith experience he said that we must each make certain " over-beliefs " in things which, while they cannot be proven on the basis of experience, help us to live fuller and better lives.

Every effort must be made to gather and organize useful intelligence.

Cartographers must decide and then adjust the content within their maps to create a suitable and useful map that conveys geospatial information within their representation of the world.

The level of detail and importance in what is remaining on the map must outweigh the insignificance of items that were generalized, as to preserve the distinguishing characteristics of what makes the map useful and important.

For example, components and modules are useful for large-scale programming, but the interaction of macros and these other constructs must be defined for their use together.

Their expected useful life is only as long as the wire they are composed of and if used in severe climates ( such as shore-side in a salt water environment ) must be made of appropriate corrosion-resistant wire.

The response time of any computer system must be fast enough to be useful for control ; the required speed varying according to the nature of the process.

The example of classical analog information shows that quantum information processing schemes must necessarily be tolerant against noise, otherwise there would not be a chance for them to be useful.

Although the principle is useful in many contexts, spaced repetition is commonly applied in contexts in which a learner must acquire a large number of items and retain them indefinitely in memory.

For some of these features to be useful, architecture independence must be maintained.

::“ Surely the utilitarian must admit that whatever the facts of the matter may be, it is logically possible that an ‘ unjust ’ system of punishment — e. g. a system involving collective punishments, retroactive laws and punishments, or punishments of parents and relations of the offender — may be more useful than a ‘ just ’ system of punishment ?”

More importantly, most scientific observation must be done within a theoretical context in order to be useful.

Most useful digital systems must translate from continuous analog signals to discrete digital signals.

This is useful for differentiating a function on a grid, where, as one approaches the edge of the grid, one must sample fewer and fewer points on one side.

" Saws, rasps, chisels, gouges and knives are all useful, and must be well sharpened to work effectively and safely.

*" A useful fact is that any Bayes decision rule obtained by taking a proper prior over the whole parameter space must be admissible "

This is particularly useful on the rear brakes, where the parking brake ( handbrake or footbrake ) must exert enough force to stop the vehicle from travelling backwards and hold it on a slope.