MPC-006 Archives - IGNOU CORNER

Goodness of fit refers to a statistical test that determines how well observed data match expected data according to a specific distribution. The Chi-square goodness-of-fit test is commonly used. In psychology, it helps assess how well theoretical distributions explain observed behavior or trait frequencies.

Goodness of fit Read More »

Scatter plot

Leave a Comment / MPC-006 / Ignou_corner

A scatter plot is a graphical representation used to show the relationship between two continuous variables. Each point on the graph represents one observation. It helps in visualizing correlation, trends, and outliers, and is often used in psychology to explore associations between variables like anxiety and performance.

Scatter plot Read More »

Sampling and standard errors

Leave a Comment / MPC-006 / Ignou_corner

Sampling is the process of selecting a subset from a population to estimate population characteristics. Standard error measures the variability of a sample statistic from the population parameter. Smaller standard error indicates more accurate estimates. Both are crucial in psychological research for drawing valid inferences from data.

Sampling and standard errors Read More »

Normal curve

Leave a Comment / MPC-006 / Ignou_corner

The normal curve, also called the bell curve, represents a symmetrical distribution of data where most values cluster around the mean. It is essential in psychology as many traits follow a normal distribution. Properties include equal mean, median, and mode, and predictable data spread governed by standard deviation.

Normal curve Read More »

Linear regression

Leave a Comment / MPC-006 / Ignou_corner

Linear regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables. In simple linear regression, the relationship is modeled using a straight line (y = a + bx). It helps in prediction and identifying how variables are related in psychological research.

Linear regression Read More »

Direction of correlation

Leave a Comment / MPC-006 / Ignou_corner

The direction of correlation indicates the type of relationship between two variables. A positive correlation means both variables increase together, while a negative correlation means one increases as the other decreases. Zero correlation indicates no relationship. This concept is crucial in psychological research to understand associations between behaviors or traits.

Direction of correlation Read More »

Decision errors

Leave a Comment / MPC-006 / Ignou_corner

Decision errors occur in hypothesis testing when incorrect conclusions are drawn. There are two types: Type I error, where a true null hypothesis is wrongly rejected, and Type II error, where a false null hypothesis is not rejected. These errors affect the reliability of research, and their likelihood is influenced by sample size, effect size,

Decision errors Read More »

The sign test

Leave a Comment / MPC-006 / Ignou_corner

The sign test is a non-parametric statistical test used to evaluate the median difference between paired observations or a sample median. It is particularly useful when the assumptions of parametric tests (like normality) are violated. The test only considers the direction of change (positive or negative), not the magnitude, making it simple and robust for

The sign test Read More »

MPC-006

MPC-006 Assignment 2024–25: Complete Index with Questions and Answers

Kruskal – Wallis ANOVA test

Goodness of fit

Scatter plot

Sampling and standard errors

Normal curve

Linear regression

Direction of correlation

Decision errors

The sign test