1. anxiety and graduate students as it relates to school completion
| anxiety or anxious* | graduate student* | complet* or retent* | | |
| depress* or stress* | all college or university students | graduat* or fail* | | |
| reason* or cause* | students AND (college* or universit*) | success* | | |
| worry or worries | | diploma* | | |
2. home school students and anxiety in college
| home-school* or home school* | anxiety or anxious* | college* or universit* | | |
| charter* or | worries or worry | | | |
| online or internet | depress* or stress* | | | |
| private or alternative | reason* or cause* | | | |
3. measures of depression and economic status
| economic status | measure* or test* or score* or scoring | depress* | | |
| economically disadvantag* | instrument* | sad* or (lack of trying or steadfastness, goals, follow through, complet* etc.) or quit* | | |
| disadvant* or poor | questionnaire* or questionaire* | suicid* or future or hope | | |
| costly or cost* or means or financial* or burden* | survey or surveys | anxious* or worries* or fear* or afraid or morose | | |