16. Mathematical Content (AS)

Question 1

what mathematical skills do you need to know the psychology?

Answer 1

how to calculate percentages
how to convert a percentage to a decimal
how to convert a decimal to a fraction
how to use ratios
how to use an appropriate number of significant figures
how to use standard form and
how to interpret mathematical symbols

Question 2

what are the mathematical symbols in psychology and what do they mean?

Answer 2

= equals
> greater than
< less than
>>much greater than
<< much less than
~ approximately equal 
the one that looks like a sideways eight means proportional to