Week 01: Getting Started - DATA!

Date: 08-27

Now- Science Stuff!

πŸ§‘β€πŸ”¬ πŸ’Ύ πŸ“Ž πŸ“Š

What makes science…good science?

Replication & Reproducibility

Replication: The process of applying the same methodology with a different sample and research group

Reproduction: Taking all materials from a study and coming to the same conclusions

Replication & Reproducibility 🍰

I want to bake a cake!

  1. Find a recipe online (try ignoring their life story narrative)
  2. Get ingredients (Wegmans if you πŸ’°)
  3. Follow recipe and bake πŸ§‘β€πŸ³
  4. Enjoy the delicious cake 🍽️

Replication

Replication & Reproducibility 🍰

I want to bake a cake!

Reproduction

  1. Find a recipe online –> Find their kitchen
  2. Get ingredients –> Use their ingredients
  3. Follow recipe and bake –> Watch what they do and follow
  4. Enjoy the delicious cake –> Enjoy cake (and jail for B&E)

Replication & Reproducibility πŸ“Š



Replication Reproducibility
Have a similar research question Use the same research question
Collect your own data Use their data
Follow their steps with your resources Follow their steps with their resources
Outcome: Similar results (depends on other factors) Outcome: Identical results

Replication & Reproducibility πŸ“Š

Goals of Science

Important: We want to replicate other researchers work

MOST Important: Be able to reproduce all of our results

You are your own worst collaborator!

Does this play out in the field??

100 Replication Studies Adequately Powered

Original Studies:

  • Mean Effect: 0.403

  • % with p<.05: 97%

Replication Studies:

  • Mean Effect: 0.197

  • % with p<.05: 47%

Garden of Forking Paths

What can we do about it? 🀷

 

Installing and Using R

From the course website

Modern Statistics Using R

Getting R Setup Properly

There are some defaults that make things more challenging in the long run

To update them, let’s look at Setting Things Up

Working with R-Studio

R-Studio is just like a kitchen πŸ§‘β€πŸ³

The Environment pane is the pantry/fridge

The Console is like the oven/stove

The Markdown document is the recipe

The bottom right sometimes acts as the little window on the oven where you can see things baking

Next Week

In-Person

πŸ“– Read Chapter 1 & 2 - LSR

πŸ“– Read Chapter 1 - ROS

Note

Items below are due 9/1 @ 11:59pm

πŸ“‹Lab 1

πŸ“‹Lab 2