Question

Which of the following should be analyzed using paired-samples t test

(as oppose to independent-samples t test)?
1. Comparing the level of stress that students experienced just before
an exam was handed out and the level of stress after they handed
in the completed exam
2. Comparing the level of extraversion between identical twins
3. Comparing the number of hours of watching TV by children from
high versus low socioeconomic status families
1 only

Answer 1

They are taking the same test

Step-by-step explanation: