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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 were...

Arbuscular Myccorhyzal fungi (AMF) are fungi which grow onto the roots of plants. In exchange for some carbon from the plant, the fungi act as an extension to the root space available to the plant. This prov...

Iodine has a larger number of protons and electrons than chlorine, which causes the inter-molecular forces of attraction between iodine molecules to be stronger than those present between chlorine molecules....

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 - Memor...

An enzyme is a biological catalyst which can speed up the rate of chemical reactions, it is also a protein that can be reused. The lock and key model explains how an enzyme works to catalyse reactions. The e...