Which of the given pose threats to internal validity and why
Which of the given pose threats to inside validity and why Query: Think about a research to guage the impact on school scholar grades of dorm room Web connections. In a big dorm, half the rooms are randomly wired for high-speed Web connections (the remedy group), and closing course grades are collected for all residents. Which of the next pose threats to inside validity, and why? a. Halfway by the yr all of the male athletes transfer right into a fraternity and drop out of the research (their closing grades will not be noticed). b. Engineering college students assigned to the management group put collectively a neighborhood space community in order that they'll share a non-public wi-fi Web connection that they pay for collectively. c. The artwork majors within the remedy group by no means discover ways to entry their Web accounts. d. The economics majors within the remedy group present entry to their Web connection to these within the management group, for a payment.