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(A) What is Ecological Valdity? (B) Why is Milgram's study weak in terms of Ecological Validity?

(A) Ecological Validity is the extent to which an experiment's findings can be generalised to real life settings.(B) Milgram's study took place in a Laboratory setting. In the experiment, the task of aski...

NC
Answered by Nick C. Psychology tutor
5920 Views

Change the subject of the formula F=(t^2+4b)/c to b.


b = (Fc-t^2)/4

MH
Answered by Mayez H. Maths tutor
5452 Views

A line passes through the points (-2,1) and (4,4). Find the equation of the line in the form y = mx + c

In the form y = mx + c, m stands for the slope (or gradient) of the line, and c for its y-intercept. Since we are given two points that are on the line, we can figure out its slope by looking at the verti...

FB
Answered by Filip B. Maths tutor
3374 Views

Why does the discriminant b^2-4ac determine the number of roots of the quadratic equation ax^2+bx+c=0?

The rule for the discriminant: if b^2-4ac>0 then the quadratic has two roots if b^2-4ac=0 then the quadratic has one root ...

DG
4939 Views

200 pupils are taking a school trip. Some are flying, some are taking the bus. There are three times as many boys going as girls. One third of the boys going are flying. How many boys are getting the bus?

x is number of boys. y is number of girlsx + y = 200x = 3y4y = 200y = 50x = 1502/3 * 150 = 100 boys getting the bus

JC
Answered by Jonty C. Maths tutor
2118 Views

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