Sources of Data and Data Quality

OIS Chapters 1 and 2, Two Links

Overview

• Where do data come from and how useful are they?
  
• What we really tend to want data for…
  
• Active and passive collection.
  
• Surveys and human subjects.
  
• Randomization, cause and effect.

LO and EQ

Feb 3

Feb 5

An Organizing Framework

Basic economics: data are not free nor are collection nor storage..

• Modes of distribution, privacy, and ownership.
  • First party vs. third party.
    
• Modes of collection.
  • Active vs. Passive.
    
  • Instrumentation is not immune to bias. Calibration is crucial.
    
• Then to, what is the point and how useful is data for it?

A Gemini Question

That’s Ownership, now About Collection

Active vs. Passive Collection

Surveys

Westwood 2025

Surveys?

Qualtrics

Westwood

On Randomization

This is a bit different than the remainder of the ideas for this particular section but is intended to introduce a recurring theme. We will return to it.

JPAL on Randomization

Randomization

The Whole Process

The CDC Program Evaluation Framework Action Guide is a foundation document for evaluating programs.

1. Contextual Assessment.
   
2. Program Description.
   
3. Evaluation Focus: Question and Design.
   
4. Gathering Credible Evidence.
   
5. Conclusions from Evidence.
   
6. Action plan.

The Worksheets Summarise

A Little Gemini Help

For Next Time

• The readings on probability.
  
• Your assignment: a quiz on the CDC Program Evaluation Document.