Question

in a study published in the journal educational psychology, two researchers divided 118 upper - level college students into two groups - each enrolled in the same course, taught the same material by the same instructor, in the same classroom at roughly the same time of day. the difference? one group was allowed to have laptops and cell phones open for non - classroom purposes, and the other group wasnt. the group using devices scored about a half a letter grade lower on exams - the difference between passing or failing for some students. of note, students who didnt use a device but were in the same classroom with those who did also scored lower. this was likely due to distraction from surrounding devices. 14. describe the key characteristics of the identified research method. 15. what research method was used in this study? naturalistic observation case study correlational study experiment 16. describe the key characteristics of the identified research method.

Explanation:

The study divides students into two groups, controls variables like course - material, instructor, and time of day, and manipulates the use of devices. This is characteristic of an experiment where an independent variable (device use) is manipulated to observe its effect on a dependent variable (exam scores).

Answer:

Experiment