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One reason a lab experiment could be considered high in internal validity is the increased level of controls over the extraneous variables. This lowers the risk of findings being due to conditions which w...

Semantic memory - Memory encoded in terms of meaning. For example a date or fact. Procedural memory - Memory encoded in terms of actions and muscle memory. For example, riding a bike. Episodic Memory - Me...

One definition is Statistical infrequency- this is when an observed characteristic such as IQ does not fit within the average range on a normal bell shaped curve.A second definition is failure to function...

The extent to which memory is a reliable process has been extensively explored empirically. Despite the importance based on eye witness testimony within legislation, as early as 1932, research indicated t...

Stimulus arrives and changes membrane polarity to the threshold to elicit an action potential (all or nothing nature). Depolarisation- sodium ion channels open increasing the membrane polarity Repolarisat...