Observer effect

From Wikipedia, the free encyclopedia
Jump to: navigation, search

Observer effect may refer to:

  • Hawthorne effect, a form of reactivity in which subjects modify an aspect of their behavior, in response to the fact that they know that they are being studied
  • Heisenbug of computer programming, where a software bug seems to disappear or alter its behavior when one attempts to study it
  • Observer effect (information technology), the impact of observing a process while it is running
  • Observer effect (physics), the impact of observing a physical system
  • Probe effect, the effect on a physical system of adding measurement devices, such as the probes of electronic test equipment
  • Observer-expectancy effect, a form of reactivity in which a researcher's cognitive bias causes them to unconsciously influence the participants of an experiment

It may also refer to:

  • Observer Effect, an episode of Star Trek: Enterprise, named after this effect

It is sometimes conflated with:

See also[edit]

  • Schrödinger's cat, a thought experiment, often described as a paradox, devised by Austrian physicist Erwin Schrödinger