The Magic of the Mind: Introduction of Scientific Tools and Approaches
The introduction of tools like fMRI and PET allows psychologists to determine the contribution of biology to psychology. Further advancements will someday reveal how the brain achieves its understanding of the world,..
The Magic of the Mind: Studying People in Context
In order to learn about psychology, it is important to strip away what you assume is true and start with a clean slate. Hazel Markus illustrates the importance of cognitive set in perceiving a stimulus. Genetic, e..
The Meaning of Percentage: Changing Fractions to Percents and Percents to Fractions
This clip explains that the easiest way to understand percent is to think of it as a proportion. The clip notes that this allows us to change fractions to decimals, and provides examples of how this is done. The clip the..
The Meaning of Percentage: Common Percentages
This clip suggests that we become familiar with the most common percents, because " in everyday life we just keep working with the same handful over and over."
The Meaning of Percentage: Comparing Percentages
This clip provides examples which illustrate the fact that, while percents "have no great mathematical importance, they're just very handy from a practical point of view."
The Meaning of Percentage: Decimals, Percents and Fractions
This clip explains that decimals can be changed to percents by moving the decimal point all the way to the far right and adding the percent sign. "Changing percent to decimals is just the reverse," the clip adds. "We dro..
The Meaning of Percentage: Percentage Provides An Easy Way to Compare Fractions
This clip explains that using percent to express values provides an easy means by which to compare fractions. The clip notes that, since there's a common denominator of 100, all that's needed to compare fractions express..
The Meaning of Percentage: Summary: The Meaning of Percentage
This clip summarizes the key points about percentage, stressing at the outset that it's practical to be able to view all fractions with the same denominator. The clip then talks about the different ways we can express th..
The Meaning of Percentage: Very Small Percentages
This clip explains how to deal with very small percents, such as those less than 1 percent. As an example, it uses one-fourth percent, which it states is one quarter of 1%. The clip then goes through the steps necessary ..
The Medical Marketplace: Communication Between Doctor and Patient
People sometimes encounter "potholes" in attempting to develop a productive relationship with their physician. The first critical barrier is being able to communicate effectively. It may be helpful to bring a written lis..