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How to design an experiment for an exam question?

Identify what type of 'experiment' the question is asking forIdentify key factors of an experiment:what is the aim/hypothesis of the experiment?what features need to be considered: number of Participants, Ma...
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Answered by Helena S. • Psychology tutor
4260 Views

What important things should one consider when writing a melody?

Firstly, consider the shape of your melody - this is the most memorable aspect.Secondly, when combining a melody with chords, make use of tension and resolution around chord changes. A note which is a chord ...
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Answered by Michael B. • Music tutor
4466 Views

How do I find the roots of a quadratic equation?

A quadratic equation has the form ax 2 + bx + c Our goal is to find values of x such that ax 2 + bx + c = 0These values of x are known as the "roots" of the quadratic. Exercise: Find the roots of x...
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Answered by Zach T. • Maths tutor
3612 Views

Explain the lock and key model of enzyme action, including how they are denatured. [6 marks]

The first step is to read the question and ensure that the student understands all of the terminology. For example, make sure the student knows what is meant by ‘explain’, ‘enzyme’, and ‘denatured’. Then the...
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Answered by Bryony H. • Biology tutor
13201 Views

What is comparative advantage?

Comparative advantage is when a firm or country can produce a good at a lower opportunity cost than another firm or country. Opportunity cost refers to the value forgone when alternative is chosen. By countr...
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Answered by Talia S. • Economics tutor
4108 Views