Is Independent variable Depression categorical nominal or ordinal or continuous variables (interval or ratio)

Question

Answer: ordinal
Is Independent variable College Life(academic and social) nominal or ordinal or continuous variables (interval or ratio)?
Answer: Ordinal

Is Dependent variable Self- Efficacy categorical (nominal or ordinal)or continuous variable (interval or ratio)
Answer: Ordinal

Answer 1

Disagree with academic, credits for frosh, sophomore, junior and senior years are the same. It also has zero credits.

http://drdavespsychologypage.homestead.com/Two___Two_____four.pdf