The Bystander effect can be reduced with awareness and in some cases explicit training.
An active bystander is most effective when they assume that they are the only person taking charge; giving direction to other bystanders to assist can, therefore, be critically important.
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It happens when the presence of others discourages a person from intervening in an emergency situation. The greater the number of bystanders, the less likely it is for any one of them to provide help to a person that is in trouble or distress.
People are more likely to take action in a crisis when there are few or no other witnesses present.
The Bystander effect is attributed to:
Similar experiments conducted by B.F. Skinner, in which animals were kept in puzzle boxes with levers, led to a modified theory called Operant Conditioning.
The concept of reinforcement was introduced in the original law of effect theory, with reinforcements inserted in the positive and negative actions of animals, instead of waiting for them to try them out for themselves.
It's based on the idea that by partitioning your sleep into segments, you can get away with less of it.
Though it is possible to train oneself to sleep in spurts instead of a single nightly block, it does not seem possible to train oneself to need less sleep per 24-hour cycle.