Qualitative v/s Quantitative Research

Qualitative Research

  1. Primary exploratory research
  2. Gain insights into: 
    1. Underlying reasons, motivations, and opinions, problems
  3. Hypothesis for potential quantitative research
  4. Unstructured or semi-structured. 
  5. Data collection methods:
    1. Group discussions 
    2. Individual interviews
    3. Participation and Observation 
  6. Sample size is usually small.

Quantitative Research
  1. Quantify the problem by generating data or stats. 
  2. Uses stats to measure data and observe patterns. 
  3. Structured. 
  4. Data collection methods:
    1. Online surveys
    2. F2F or telly interviews
    3. Online polls

Scrum interview questions

What are the different types of agile methodologies that you have used and know about? 
Scrum. Basics:

  1. Scrum team
  2. Product owner
  3. Scrum master: Runs the standups


What are the core components of scrum that you think are most valuable and what things do you feel are not so valuable?
Valuable:

  1. Sprint planning
  2. Sprint review: demo day
  3. Sprint retrospective 
  4. Daily scrum 
Not so valuable:
  1. When we want estimates upfront. 
  2. We want team to be more efficient and productive. 
Please see the chart: 
Source of image: https://medium.com/the-liberators/more-often-than-not-scrum-seems-like-a-bad-idea-44a5346454a1


NoSQL

This one is reviewed but I need to delete its copy from hubpages or somewhere NoSQL Data models: key-value  Aggregate model.  key or i...