Vitamin C is one of the most effective nutrients to help grow and strengthen hair, says Loving. To give your locks a vital dose of vitamin C, blend a partially-boiled sweet potato, a half-cup of gooseberries, three strawberries, and half a small red bell pepper until you get a creamy smooth mixture. Then apply it to your scalp and hair. Leave the mask on for 15 to 25 minutes, then rinse it off with warm water.
3. Methods of collecting qualitative data. Data collection approaches for qualitative research usually involves: 1  Direct interaction with individuals on a one to one basis. 2  Or direct interaction with individuals in a group setting.
Some definitions. 1  Quantitative research is âexplaining phenomena by collecting numerical data that are analysed using mathematically based methods (in particular statistics).â*. 2  Qualitative research seeks to answer questions about why and how people behave in the way that they do.