Understanding measurement principles and the characteristics of assessments helps to minimize bias in individual teacher assessment practices. The ability to explain descriptive statistics encourages deeper understanding of how data is derived to aid decision-making within the classroom setting. These skills will support collaboration with colleagues and families in making decisions about students with moderate to severe disabilities and inform future instructional practices.

For this assignment, (create a) 10-12 slide digital presentation, to be used for colleagues' professional development, which creatively and accurately explains the dimensions of descriptive statistics.

In your presentation, define and explain each of the following:

• Descriptive statistics
• Reliability
• Validity
• Test bias
• Bell curve
• Mean
• Standard deviation
• Standard scores
• Scaled scores
• T-Scores
• Percentiles
• How knowledge of descriptive statistics relates to data literacy
• Why data literacy is important for teachers to understand when making educational decisions and differentiating instruction for individual students, including those with moderate to severe disabilities.

Support your presentation with a minimum of three scholarly resources.

Your presentation should also include visual depictions of sample statistics through graphs, tables, scatter plots, advanced organizers, etc. when it is helpful for explaining the required element.

Your presentation should include a title slide, reference slide, and presenter's notes.

While (APA) format is not required for the body of this assignment, solid academic writing is expected, and in-text citations and references should be presented using APA documentation guidelines, which can be found in the (APA) Style Guide, located in the Student Success Center.

This assignment uses a rubric. Review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.

You are required to submit this assignment to LopesWrite. A link to the LopesWrite technical support articles is located in Class Resources if you need assistance.