# Research Methods and Statistics-Statistics in Psychology [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 12 - 16 of 99

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## Question 12

### Question MCQ▾

To obtain the ________, we find the deviation of each score from the mean and then square it. These squared deviations are then added and averaged.

### Choices

Choice (4)Response

a.

Standard score

b.

Deviation

c.

Standard variance

d.

Question does not provide sufficient data or is vague

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## Question 13

### Question MCQ▾

A bell-shaped curve having known mathematical properties and characterized by a large number of scores in the middle, tapering towards very few extremely high and low scores at either end, is called ________.

### Choices

Choice (4)Response

a.

Curve

b.

Abnormal curve

c.

Normal curve

d.

Question does not provide sufficient data or is vague

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## Question 14

### Question MCQ▾

Which is NOT a type of standard score?

### Choices

Choice (4)Response

a.

A deviation IQ.

b.

A stanine.

c.

A J score.

d.

A T score.

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## Question 15

Appeared in Year: 2014

### Question MCQ▾

On a Wechsler type intelligence scale Arish has a deviation IQ of 115. If the norms of this test are expressed in terms of normalized T scores (mean = 50, SD = 10) , what would be the T score of Arish? (December)

### Choices

Choice (4)Response

a.

65

b.

84

c.

60

d.

40

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## Question 16

### Question MCQ▾

Test of ________ provide an estimate of how often experimental effects could have occurred by chance alone.

### Choices

Choice (4)Response

a.

Statistical significance

b.

Significant difference

c.

Probability

d.

All of the above

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