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Investigating sources in conjunction with each other requires the employment of many of the skills used in analysing a single source, be that primary or secondary, but with a few key differences. 'Cross-r...

In order to better understand concurrent validity, we should approach construct validity first: Construct validity refers to a test's ability to measure what it claims to measure. For example, does a test...

We should begin by multiplying out the brackets. Firstly, multiply each term in the first bracket with the first term in the second bracket: x times x equals x² and -2 multiplied by x is equal ...

This question is an example of integrating to find the area underneath a curve between two points. We begin by intergrating the equation. Firstly, to integrate 3x² we increase the indice/power ...

For parabolic motion: vertical and horizontal components can be treated independently. x represents horizontal motion, which obeys constant velocity equations, y denotes vertical motion, which obeys the c...