In this video I explain simple ways of describing the dispersion of data that can be ordered or ranked. These are the range, the interquartile range, and the semi-interquartile range. I also briefly describe a more precise method for calculating … Read More
How Hearing Works: Parts of the Ear
In this video I explain the process of transduction for hearing in order to convert soundwaves into neural activity. I describe each of the parts of the ear and discuss how the movement of fluid in the basilar membrane triggers … Read More
Measures of Variance: Range and Standard Deviation
In this video I describe two more descriptive statistics, both of which are measures of variance: the range and the standard deviation. I explain what the standard deviation tells us about a distribution of scores and how it is calculated. … Read More