Many human traits, including intelligence, show a normal distribution this means that

Normal distribution curve of different mental traits of individuals ts given be- low. What type of individuals’ mental traits does It indicate?

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Official Paper 7: OTET 2016 Paper 1 (Hindi/ English)

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1.  Individuals of same intelligence
2. Individuals of low intelligence
3.  Individuals of high intelligence
4. Individuals of different intellgence

Answer (Detailed Solution Below)

Option 4 : Individuals of different intellgence

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Normal Distribution Curve: The normal curve is a symmetrical bell-shaped curve characteristic of many variables in nature, including human characteristics and performance (e.g., height, reaction time, etc.). 

• The Normal Curve is symmetrical about the ordinate at the central point of the curve. It is unimodal, the model is always at the central point of the curve. It is asymptotic to the x-axis. The points of influx occur at ± 1 σ.
• The area of the curve between the points of inflection is fixed. 

 The above diagram is showing the Normal Curve is Bilateral and depicting the 50% area of the curve lies to the left side of the maximum central ordinate and 50% of the area lies to the right side. So, it is defining individuals of different intelligence. 

• The Points of Influx occur at point ±1 Standard Deviation (± 1 σ): The normal curve changes its direction from convex to concave at a point recognized as point of influx. If we draw the perpendiculars from these two points of an influx of the curve to the horizontal X-axis; touch at a distance of one standard deviation unit from above and below the mean (the central point).
• The Total Percentage of Area of the Normal Curve within Two Points of Influxation is fixed: Approximately 68% area of the curve lies within the limits of ± 1 standard deviation (± 1 σ) unit from the mean.
• The Total Area under the Normal Curve may be also considered a 100 Percent Probability.

Hence, we can conclude that a normal distribution curve is an indication of Individuals of different intelligence.

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Points:1 / 1Close ExplanationExplanation:A test for depression that accurately indicates a subject is depressed is considered valid. If the questions in a test for depression indicate that aperson is narcissistic, but provide no information on depression, then the test is invalid.

Points:1 / 1Many human traits, including intelligence, show a normal distribution. This means that:

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Points:0 / 1Close ExplanationPoints:1 / 1According to Robert Sternberg’s triarchic theory of intelligence, someone who is high in practical intelligence should:Explanation:Practicality refers to everyday life. An artist who makes beautiful paintings but cannot manage a household likely has high creative intelligence