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A valid instrument is one that measures what it says it measures. Validity depends on the amount and type of evidence there is to support one's interpretations concerning data that has been collected. This week, you discussed three kinds of evidence that can be collected regarding validity: content-related, criterion-related, and construct-related evidence.
Each question below represents one of these three evidence types. In the space provided, write content if the question refers to content-related evidence,criterion if the question related to criterion-related evidence, and construct if the question refers to construct-related evidence of validity.
1. How strong is the relationship between the students' scores obtained using this instrument and their teacher's rating of their ability? 2. How adequately do the questions in the instrument represent that which is being measured? 3. Do the items that the instrument contains logically reflect that which is being measured? 4. Are there a variety of different types of evidence (test scores, teacher ratings, correlations, etc.) that all measure this variable? 5. How well do the scores obtained using this instrument predict future performance? 6. Is the format of the instrument appropriate?
How can something be a key fact in one case and only background in another? Distinguishing between key facts and background.
Little 2-year-old Dennis is always getting into things. He climbs up trees
You are to write a 2000-word or more term paper concerning any topic of interest to you , provided that a strong connection can be made to the topics of this class ---managing homeland security, disaster planning, or emergency management.
write 500-600 words that respond to the following questions with your thoughts ideas and comments. this will be the
Researchers in the psychological perspective assume that psychological variables cause people to act as they do. First, identify a psychological variable that can cause a receiver to respond to a message in a particular way.
Home production of electricity from solar energy requires the use of:.
Describe how globalization has changed the way American companies are doing business. In what ways do you believe this change has benefited American organizations and/or their customers?
How can geographical models like Von Thunen's Isolated State model help better understand a place that we are studying? What are the shortcomings of these models?
Discussed the reasons why multiculturalism is a controversial subject. Gave a complete explanation as to how structural functionalism, social conflict, and symbolic interaction can be used to understand multiculturalism
People in the united states consider it a meritocracy with an open class system. what kinds of structural factores in american society make vertical social mobility more difficult? do these factors apply to everyone in society or just certain groups?
During this time, under what conditions may an aircraft fly in RVSM airspace even though they aren't approved for it? What is the process to get ATC approval for such flights?
The influence of peers during childhood can have a long-lasting effect on a person throughout his or her life. In this assignment, keep in mind at least three different ways in which teachers and/or parents can intervene to help improve a child's ..
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