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Pair up. One of you toss a coin 10 times. The other record on a small piece of paper how many times it comes up heads - PowerPoint PPT Presentation


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Pair up. One of you toss a coin 10 times. The other record on a small piece of paper how many times it comes up ‘heads’. When you have recorded 10 results, give the paper to me. Repeat until I ask you to stop. Today’s session.

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Today s session
Today’s session on a small piece of paper how many times it comes up ‘heads’. When you have recorded 10 results, give the paper to me. Repeat until I ask you to stop.




5 heads; 5 tails

O heads; 10 tails

10 heads; 0 tails


Normal distribution curve
Normal distribution curve graph below, what shape will we get?

Likely outcomes

Unlikely outcomes

5 heads; 5 tails

O heads; 10 tails

10 heads; 0 tails


  • Does your partner have telekinetic powers? graph below, what shape will we get?

    • Decide who will be the researcher and who will be the participant.

    • Participant will use the power of their mind to will the coin to come up ‘heads’



Unlikely to be caused by chance; perhaps caused by something else

Likely to be caused by chance

5 heads; 5 tails

O heads; 10 tails

10 heads; 0 tails




Significance
Significance up heads before we accept that the result was not just due to chance?

  • In psychological research we judge the importance of results by comparing them with what is likely to happen by chance.





Significance1
Significance card before choosing your number.

  • The more consistent the difference between the two sets of numbers, the smaller the probability that the difference was caused by chance.

  • However, we have to decide how unlikely a ‘chance result’ has to be before we will accept that the difference was caused by something else


Significance2
Significance card before choosing your number.

p0.05


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