Reliability and Validity

Multiple Choice

This is an example of...

• Reliability but Not Validity

• Validity but Not Reliability

• Neither Validity or Reliability

• Validity and Reliability

Multiple Choice

This is an example of...

• Reliability but Not Validity

• Validity but Not Reliability

• Neither Validity or Reliability

• Validity and Reliability

Multiple Choice

The degree to which an assessment accurately assesses the concept and/or skill we are attempting to measure.

• Reliability

• Validity

• Error Margin

Multiple Choice

The degree to which your assessment is free of random error is...

• Reliability

• Validity

• Error Margin

Multiple Choice

What would be a good way to estimate the reliability of an assessment?

• Verifying that majority of students' scores are close to one another

• Checking to see if it makes a difference when the test is taken

• Calculating the distance between the highest and lowest student score

Multiple Choice

According to the author a test is reliable if...

• The test measures what is supposed to measure.

• the test is neither too long nor too difficult.

• the test does not have any content that wasn't taught specifically in the classroom.

• if students get similar scores on the test regardless of the day when they take it.

Multiple Choice

To ensure the reliability of a test candidates...

• should be given options and freedom to complete a task.

• shouldn't be given many options. Tests items should be controlled

• should be provided with the most ambiguous items possible.

• should be allowed to complete tasks in the way they feel like.

Multiple Choice

The degree to which an assessment accurately assesses the concept and/or skill we are attempting to measure.

• Reliability

• Error Margin

• Validity

Multiple Choice

Validity is a concept that... (choose the best answer)

• Measures the consistency of the measurement taken under the study.

• Measures the accuracy of the concept that it supposes to measure.

• Covers the full range of the issue set for the study

Poll

Do you think this method was reliable? Hint: We can check reliability by changing observers and changing when the experiment was done.

• Yes, it was.

• No, it wasn't.

• I'm not sure.

Poll

Do you think this method was valid? Hint: We can check reliability by checking how well the results matched the true value.

• Yes, it was.

• No, it wasn't.

• I'm not sure.