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Describe and evaluate the independent groups design when designing a research study (6).

The independent groups design is an experimental design whereby two groups are exposed to different experimental conditions. Usually half of the participants are assigned to the experimental group where they...
AS
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Work out the value of 2^14 ÷ (2^9)^2

2 14 ÷ (2 9 ) 2 = 2 14 ÷ 2 18 = 2 -4 = 1/(2 4 ) = 1/16 (9x2=18) (14-18=-4) (2 4 =2x2x2x2=16)
HG
Answered by Hannah G. • Maths tutor
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Sketch the graph of y = 5 - 7x

The key points with graph sketching are to think about the shape of the curve, any turning points, and the intercepts with the y- and x- axes. This curve is linear in x, and is therefore a straight line (obv...
JA
Answered by Jonah A. • Maths tutor
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How are arteries adapted to carry blood away from the heart?

Since arteries need to pump blood to the entire body under high pressure, they are very strong with thick muscular walls. Artery walls are also elastic, which allows them to stretch and spring back in order ...
MC
Answered by Maxwell C. • Biology tutor
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Outline and explain the main reasons why Stalin succeeded Lenin as leader of the USSR

The first reason is that Stalin wielded significant power and influence as General Secretary of the Party, having been appointed in 1922. Due to his position as an administrator he was both underestimated, d...
AC
Answered by Alex C. • History tutor
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