Quantitative methods are used most often with research questions that focus on numbers and effectiveness of specific treatments. Look for key words like these:

• Before-and-after
• Chi Square Test
• Cohort
• Confidence Interval
• Control Group
• Cross sectional
• Experimental
• Intervention
• Pretest-Posttest
• Randomized
• Regression Analysis
• …. Scale
• Treatment outcomes
• [numbers]
• [percentages]
• [names of specific tests used]