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Psychology Yr 12 > Data test > Flashcards

Data test Flashcards

1
Q

What is the mean?

A

All the numbers added together divided by how many numbers there are

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2
Q

What is the mode?

A

Most common number

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3
Q

What is the median?

A

Middle number

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4
Q

What do you do if there are two middle numbers?

A

Add them together and divide by two

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5
Q

What does the numbers refer to in the correlation coefficient?

A

If it’s above 0.5 it is strong, below 0.5 it is weak - if it is at 0.05 it i moderate

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6
Q

If the correlation coefficient is -0.7 is that strong or weak?

A

Strong

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7
Q

What does the negative and positives refer to in the correlation coefficient?

A

The direction

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8
Q

What is the correlation coefficient?

A

Strength of the data

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9
Q

What is the p value?

A

The significance of the data

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10
Q

What is considered statistically significant for a p value?

A

Anything below 0.05

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11
Q

How is a p value of 0.05 written?

A

P<0.05

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12
Q

What is the standard deviation?

A

How much the data varies around the mean

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13
Q

What is bi-variate data?

A

Two sets of data

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14
Q

What does a high correlation mean?

A

The data depends on each other

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15
Q

What is Correlation studies?

A

Strength and direction of the relationship that may exist between two variables

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16
Q

What does r = 1 mean?

A

A perfect linear relationship exists (strong positive)

17
Q

What does r = 0 mean?

A

(Flat, straight line), means there’s no relationships - no correlation

18
Q

What does the size of the standard error bars mean?

A

The larger they are the more the data varies, the smaller they are the less the data varies

19
Q

What do small numbers in standard error bars represent?

A

Smaller numbers = more accuracy

20
Q

What does an overlap of standard error bars suggest?

A

There is no significant difference

21
Q

What is a mathematical trend?

A

Describe the direction, strength and whether it’s linear or non-linear (e.g. it is strong, positive and linear)

22
Q

What does contrast mean?

A

State the differences

23
Q

What does deduce mean?

A

Draw a conclusion

24
Q

What does compare mean?

A

Demonstrate similarities and differences

25
Q

What is the role of the hippocampus?

A

Memory

26
Q

Name the parts of a neuron

A

Axon, axon terminals, dendrites, myelin sheath, nucleus, soma (cell body)

Psychology Yr 12 (2 decks)

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