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Reliability is about whether the same result would be found if the experiment was repeated. An experiment must be replicable if it is to be reliable. One way to remember this is 'reliability requires r...

Method or function overloading allows a method with the same name to be declared more than once given that they have different input parameters.
For example, there is a method to calculate the area o...

CBT stands for 'Cognitive Behavioural Therapy'. It is commonly used as a talking therapy to treat disorders such as depression and anxiety. It generally lasts between 6-12 sessions and can to modified ...

Prime factors are numbers that can only be fully divided by itself and 1.

For example, 2, 3 and 5 are prime numbers since they can only be divided by itself and 1. However, 6 is not a pri...

Example question: How far were economic pressures a decisive factor in persuading Saddam Hussein to invade Kuwait in 1990?

As this is an A-Level question, the cand...