Internal and External Validity Questions
Question Description
I’m working on a economics writing question and need an explanation and answer to help me learn.
1. The following study design appears strong in terms of both internal and external validity. AGREE / DISAGREETo study the impact of working while enrolled, a student uses data from a nationally-representative survey of college students, some who work and some who dont. She compares the grades of working and non-working students to examine how grades are impacted by hours worked. 2. As a principal trying to determine whether to spend $10 per student for access to an online reading program, all I need to know is whether the marginal benefit for each student is greater than $10. AGREE / DISAGREE
Explanation & Answer:
2 Questions 5 Sentences Each
Tags:
internal validity
external validity
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