In a nationwide study, samples of students were asked their opinions about the quality of their college education. The results of the survey were analyzed for differences among students at the various colleges and universities. What survey design was used in this study?

cross-sectional design                

Explanation:

Cross-sectional design: In psychological research, the term "cross-sectional design" is determined as one of the types of "observational study design". While conducting a cross-sectional study design, researcher, investigator, or an experimenter tends to measure the exposures and different outcomes in given study participants or subjects at a specific point in time.

In other words, the cross-sectional study design measures different participants at one point in time.

In the question above, the given statement represents that cross-sectional design was used in the given study.

they all focused on themes about the inevitability of death.

the answer is d. amendments.