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Transcript

How?

observable variable

hypothetical construct

Attention

the span of time a person can stay on a particular task

score in WAIS

Intelligence

An Operational Definition...

What is the importance of operational definitions?

is a definition of a concept in terms of the operations that must be performed to demonstrate the concept

They bridge the gap between abstract concepts and the concrete reality.

Difference between conceptual definition and operational definition

A good operational definition...

does not have to be entirely

sensible, as long as it is clear and can be copied

The Dex Camitan Super Awesome Juice

Lastly...

operational definitions can facilitate scientific communication and, hence, the reliability of scientific research

but...

operational definitions can be controversial definitions of the concepts in question

Operational Definition

Operational Definition

  • tells you how to measure concepts
  • describe the variables you will use as indicators for your constructs and the procedures you will use to observe or measure the variables.

Operationalization

Process of defining a fuzzy concept so as to make the theoretical concept clearly distinguishable or measurable and to understand it in terms of empirical observations

it can also refer to the process of specifying the extension of a concept—describing what is and is not a part of that concept

Conceptual Definition:

It is a thought stimulating, mind boggling not to mention the best tasting juice ever produced in South East Asia. It is also believed to have therapeutic qualities and can cure most known diseases.

A concept, idea or faculty which can be understood but cannot be directly measured.

Operational Definition:

Take the eye of a fire bellied newt, the leg of an albino African frog, three oyster shells and a pinch of unicorn droppings. Put in blender for 2 minutes. Serve with 2 cubes of ice in a beer mug

Conceptual Definition

  • tells you what the concept means
  • tells what your constructs are by explaining how they are related to other constructs.

In other words...

An operational definition is a formula for building a construct in such a way that other scientists can duplicate it, by specifying the operations used to produce and measure it.

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