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What is concurrent validity?

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...

Answered by Alasdair K. • Psychology tutor

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Write (x-2)(x+4)=10 in the form ax^2 + bx + c = 0 and work out the values of a, b and c

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 ...

Answered by Thomas C. • Maths tutor

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Find the area beneath the curve with equation f(x) = 3x^2 - 2x + 2 when a = 0 and b = 2

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 3x²we increase the indice/power ...

Answered by Thomas C. • Maths tutor

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A particle is launched from the top of a cliff of height 87.5m at time t=0 with initial velocity 14m/s at 30 deg above the horizontal, Calculate: a) maximum height reached above bottom of cliff; b)horizontal distance travelled before hitting the ground.

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...

Answered by James K. • Further Mathematics tutor

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Why is identification seen as a stronger form of conformity than compliance but weaker than internalisation?

Identification involves both private and public acceptance of behaviour whereas compliance only involves the superficial change of just public, so is seen as weaker that identification. However indentific...

Answered by Hannah W. • Psychology tutor

6053 Views