Top answers

What is the difference between reliability and validity?

Reliability is about whether the same result would be found if the experiment was repeated. An experiment must be replicable if it is to be reliable. One way to remember this is 'reliability requires replica...
PH
Answered by Phoebe H. • Psychology tutor
24925 Views

What is method "Overloading" in object-oriented programming (OOP) ?

Method or function overloading allows a method with the same name to be declared more than once given that they have different input parameters. For example, there is a method to calculate the area of shapes...
AS
Answered by Argha S. • Computing tutor
28078 Views

What is CBT?

CBT stands for 'Cognitive Behavioural Therapy'. It is commonly used as a talking therapy to treat disorders such as depression and anxiety. It generally lasts between 6-12 sessions and can to modified to fit...
LB
Answered by Lara B. • Psychology tutor
5318 Views

Write 825 as a product of its prime factors.

Prime factors are numbers that can only be fully divided by itself and 1. For example, 2, 3 and 5 are prime numbers since they can only be divided by itself and 1. However, 6 is not a prime number because it...
EV
Answered by Ewan V. • Maths tutor
21283 Views

How do I answer a 'how far' essay question?

Example question: How far were economic pressures a decisive factor in persuading Saddam Hussein to invade Kuwait in 1990? As this is an A-Level question, the candidate will have to assess the different oppo...
DW
Answered by Daniel W. • History tutor
16117 Views