Psychological Statistics

Describe point-biserial correlation and phi coefficient.

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Describe Point-Biserial Correlation and Phi Coefficient Introduction Correlation is a measure of the relationship between two variables. In psychological research, when dealing with specific types of variables—particularly dichotomous ones (variables that take only two values)—special correlation methods are used. Two such techniques are the point-biserial correlation and the phi coefficient. These are valuable tools when […]

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Using Pearson’s product moment correlation for the following data: Data 1 24 23 26 25 25 21 25 26 25 26 | Data 2 12 15 22 13 14 11 16 10 19 20

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Using Pearson’s Product Moment Correlation for the Given Data Introduction Pearson’s product-moment correlation coefficient (r) is a statistical tool used to measure the strength and direction of the linear relationship between two continuous variables. In psychology and social sciences, it is often used to determine how closely two variables are related, such as test scores

Using Pearson’s product moment correlation for the following data: Data 1 24 23 26 25 25 21 25 26 25 26 | Data 2 12 15 22 13 14 11 16 10 19 20 Read More »

Discuss divergence in normality with the help of suitable diagram and describe the factors causing divergence in the normal distribution. Discuss how divergence in normality is measured.

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Divergence in Normality: Meaning, Diagrams, Causes, and Measurement Introduction In the field of statistics, particularly in psychological research, the concept of normal distribution holds significant importance. Many statistical methods, including parametric tests, assume that the data follows a normal distribution. However, in real-world data, this assumption is not always met. When data deviates from the

Discuss divergence in normality with the help of suitable diagram and describe the factors causing divergence in the normal distribution. Discuss how divergence in normality is measured. Read More »

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