He argued that all learning is a trial-and-error process that resembles biological evolution.    From Wordnet, Princeton University. 

They adopted a trial-and-error procedure.    From Wordnet, Princeton University. 

The trial-and-error that followed was the source of the learning.    From Wordnik.com.  [Living by Eating] Reference

That was found out by trial-and-error, of course, a long time ago.    From Wordnik.com.  [Christmas on Ganymede and Other Stories]

Selling at the farm stand has been a trial-and-error sort of thing.    From Wordnik.com.  [Susie Middleton: Farm Stand Economics: From a First-Time, Micro-Grower's Point of View] Reference

Dealing with an unprecedented crisis is a puzzle, a trial-and-error.    From Wordnik.com.  [‘It Doesn’t Exist!’] Reference

This would eliminate the trial-and-error approach doctors use today.    From Wordnik.com.  [Leroy Hood: Look to the Genome to Rebuild Health Care] Reference

But alas, there isn't, so you limited to a sort of trial-and-error effort.    From Wordnik.com.  [Robert J. Elisberg: The Writers Workbench: Life Before DVD] Reference

T other lessons its rivals will discover through customer trial-and-error.    From Wordnik.com.  [T Prepares Network For Battle] Reference

Most processes are conducted on a trial-and-error basis with little quality control.    From Wordnik.com.  [17 Using Mixed Starter Cultures for Thai Nham] Reference

That required a few late - night trial-and-error sessions while he was asleep in bed.    From Wordnik.com.  [Honeymoon]

Consumption, in the marketing view, is seen as something of a trial-and-error process.    From Wordnik.com.  [Consumer society] Reference

(He calls me "blind" for not understanding the wisdom of this trial-and-error policy.).    From Wordnik.com.  [Philosophy & Monica Lewinsky] Reference

How about trial-and-error, blogging, instructional video, and hanging with one's peers?.    From Wordnik.com.  [Simulations, Microcosms, Apprenticeships, and Skunk Works] Reference

This trial-and-error approach can take a few months or, as with Mr. Strong, a few years.    From Wordnik.com.  [When Changing Careers,] Reference

It's true as caffeine said that the trial-and-error process is much quicker with digital.    From Wordnik.com.  [Making Light: Open thread 135] Reference

Suppose we are satisfied that Coleridge constructed the poem Kubla Khan by trial-and-error.    From Wordnik.com.  [The Human Brain]

North Americans can try out their skills without doing harm by their trial-and-error learning.    From Wordnik.com.  [1: Basics of agricultural development] Reference

Third, there is the trial-and-error learning process that occurs during an individual's lifetime.    From Wordnik.com.  [Evolutionary Epistemology] Reference

The trial-and-error process could take weeks, but it will eventually work, scientists and BP said.    From Wordnik.com.  [Gulf Oil Spill: Best Chance To Stop Leak Won't Be Ready Until August] Reference

They know the hard work of living with the illness and the frustration of trial-and-error treatment.    From Wordnik.com.  [Minds and Magnets] Reference

No trial-and-error, no baby hesitation with hand poised -- just a sudden assured, controlled action.    From Wordnik.com.  [The Short Life] Reference

I urge a series of trial-and-error bills on a smaller scale, rather than a massive pig-in-a-poke bill.    From Wordnik.com.  [Stimulus Plan Illustrates 'Haste Makes Waste'] Reference

In their trial-and-error testing period between 2004 and 2006, they built 52 libraries around Bangalore.    From Wordnik.com.  [For the Love of Reading] Reference

And to build machines based not on trial-and-error or luck but on an understanding of technology and science.    From Wordnik.com.  [1. Planning for private sector involvement] Reference

During sleep, the brain engages in processing that explores connections and ideas in trial-and-error fashion.    From Wordnik.com.  [Dreaming About Work] Reference

In the meantime, Mr. Shields advised a trial-and-error approach toward the development of credible surrogates.    From Wordnik.com.  [Economic Crisis: Where Can President Find an Adviser Who Gives Good Television?] Reference

During sleep, the brain engages in processing that explores connections and ideas in a trial-and-error fashion.    From Wordnik.com.  [French Energy Firms Bid] Reference

How may we recognize this potential teacher without resorting to a clumsy, time-wasting, trial-and-error method?.    From Wordnik.com.  [Vocational Guidance for Girls] Reference

Left uninstructed, men may progress only by trial-and-error and the hard bumps which come of not knowing the way.    From Wordnik.com.  [The Armed Forces Officer Department of the Army Pamphlet 600-2] Reference

Americans favor fast-paced trial-and-error experimentation; Germans lay painstaking plans, and implement them precisely.    From Wordnik.com.  [Hands On The Wheel] Reference

After several years of trial-and-error, my personal kitchen recommends sage butter (and lots of it) underneath the skin.    From Wordnik.com.  [Caroline Giegerich: Social Media Brings Thanksgiving To The Table] Reference

Initial installation proved to be a troubling process of trial-and-error steps to get all the features working properly.    From Wordnik.com.  [Wired Top Stories] Reference

Obviously it took a lot of rewriting and some trial-and-error, not to mention the dog ran away scared more than a few times.    From Wordnik.com.  [Which Theme Did You Choose?] Reference

Although you can take a trial-and-error approach, this takes a lot of time and money, and results are largely a matter of luck.    From Wordnik.com.  [12. Developing glazes] Reference

Modifications to achieve other aims or correct weaknesses that become apparent in operation were made on a trial-and-error basis.    From Wordnik.com.  [Energy and Society~ Chapter 3~ Inorganic Energy Sources~ Wind and Water] Reference

As its creators note, the module "replaces the lecture-like structure of art school and the trial-and-error of working on canvas.".    From Wordnik.com.  [VIDEO GAME ART: Nintendo's "Art Academy" to Produce Next Great Artist] Reference

Developing a new drug is a trial-and-error process of testing which chemical compounds produce a certain effect on a biological target.    From Wordnik.com.  [Glaxo Tries a Linux Approach] Reference

The frontiersman was a trial-and-error empiricist, who believed in his own ability to fathom the depths of the problems which plagued him.    From Wordnik.com.  [The Fair Play Settlers of the West Branch Valley, 1769-1784 A Study of Frontier Ethnography] Reference

It takes YEARS of networking, research, and trial-and-error to truly appreciate the opportunities (plural) that exist, even today in 2009.    From Wordnik.com.  [Domain Industry Rocked By Shill Auction Bidding Admission] Reference