The school research lead and the half-life of facts – why everything we know has an expiration date | Gary

One of the main reasons why school leaders needs to be constantly engaged in evidence-based practice, is that the evidence we might use to support decisions can become ‘rusty’ (Hargreaves and Fullan, 2012).   Evidence that we have relied on in the past may no longer be current or applicable, indeed advice based on the evidence may have just been plain wrong.  Indeed, (Arbesman, 2012) argues that just like radioactive material, ‘facts’ have a half-life and decay over time.  Arbesman states:
Facts, in the aggregate, have half-lives: We can measure the amount of times for half of a subject’s…

Continue reading at:
http://ift.tt/2hBALFM

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s