University:
York University
Course:
PSYC 2021 | Statistical Methods I
Academic year:

2024
Views:

45

Pages:

2
Author:

Nick T.

Frequency Distribution Shape • in the Social and behavioral Sciences, most Scores are distributed Symmetrically - they have approximately the same number of scores on both Sides of the distribution • Skewed distribution: Scores pile up on one side and taper off in a tail on the other Figure 2.10 Distribution Shapes - tail on the right (high Scores) = positive Skew tail on the left (low scores) = negative skew - Floor and Ceiling Effects. • floor effect - Scores pile toward the lower end of the distribution because it is not possible to have a lower Score (eg.. number of children) Ceiling effect Scores pile toward the upper end of the distribution because it is not possible to have a higher score leg., Scores on a very easy Statistics test) Learning Check What is the Shape of fuis distribution? a) symmetrical b) negatively Skewed c) positively skewed d) discrete •Learning Check Decide if each of the following Statements is true or fouse T/F It would be correct to use a histogram to graph parental marital Status data (single, married, divorced...) from a (bargraph) treatment center for children T/F It would be correct to use a histogram to graph the time Children spent playing with other Children from data collected in a Children's treatment Center