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Harada Method

The Harada Method is a management and self-development approach developed by Japanese author and management consultant Takashi Harada. It focuses on personal responsibility, goal setting, and self-management within organizations. The method is often used in business...

GRPI Model

Businesses can perform better with effective teams. It’s something that everyone knows instinctively, but cannot articulate. The GRPI model is popular and can be explained to both team members and managers. Let’s look into it in more detail....

X-Bar

What is an X-Bar? In statistics, an X-bar (also written as x̄) represents the mean or average of a set of values. It is a measure of central tendency, specifically the arithmetic mean, which is calculated by adding up all the values in a dataset and then dividing the...

A3 Problem Solving

What is A3 Problem Solving? A3 problem-solving is a Lean way of reporting problems and providing solutions. Toyota developed a simple method that involves documenting the problem and its current result, along with a proposed change, all on one sheet of A3...

Homogeneity of Variance

What is Homogeneity of Variance? Homogeneity of variance, also known as homoscedasticity, is a statistical concept that refers to the assumption that the variance, or the spread of scores, is approximately equal across different groups or categories in a dataset. In...
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