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A [[Human Error]] is a mistake made by a [[human]] which causes [[results]] to be [[Accuracy|inaccurate]]. ===About Human Error===: '''Human error''' can be caused by [[reading]] an [[Measuring Instrument|instrument]] incorrectly or by an [[Measuring Instrument|instrument]] that relies on a [[human]] to operate it.: Every time a [[stopwatch]] is used there is a '''human error''' because [[human]]s take time to react to events. The '''human error''' in starting a [[stopwatch]] and stopping a [[stopwatch]] is around 0.2 seconds but can vary from person to person. A [[measurement]] of 10 seconds with a 0.2 second '''error''' is less [[Accuracy|inaccurate]] than a 0.5 second [[measurement]] and a 0.2 second '''error'''.: [[Reading]] the value on a [[Measuring Cylinder]] can be [[Accuracy|inaccurate]] due to the [[meniscus]] or if it is not [[reading|read]] at [[Eye Level|eye level]]. ==Key Stage 4=====Meaning===A [[Human Error]] is a mistake made by a [[human]] which causes [[results]] to be [[Accuracy|inaccurate]].