AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE SCIENTIFIC METHOD AND DESCRIPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The middle score in a distribution, half scores are above it and half are below it, is known as what?
A
Standard deviation
B
Mean
C
Mode
D
Median
Explanation: 

Detailed explanation-1: -the median, symbolized Mdn, is the middle score. It cuts the distribution in half, so that there are the same number of scores above the median as there are below the median. Because it is the middle score, the median is the 50th percentile.

Detailed explanation-2: -Median: the middle raw score of the distribution; 50 percent of the obtained raw scores are higher and 50 percent are lower than the median.

Detailed explanation-3: -The median is also known as the 50th percentile. The median provides a measure which is less affected by extreme scores than is the mean; however, most statistical procedures depend on the mean, not the median. To find the median, arrange all the scores from least to greatest, and find the score in the middle.

Detailed explanation-4: -The median is the value in the middle of a data set, meaning that 50% of data points have a value smaller or equal to the median and 50% of data points have a value higher or equal to the median.

Detailed explanation-5: -The median is the middle point in a dataset-half of the data points are smaller than the median and half of the data points are larger. To find the median: Arrange the data points from smallest to largest.

There is 1 question to complete.