INTRODUCTION: VALIDATION OF CONSTRUCTS I I
V 26032002 16:00 CET COPYRIGHT J. P. KROL

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FOR THE EXPERIMENTS FOLLOWING IN THIS SECTION WE MAY SUMMARIZE, DEDUCT AND CONCLUDE THE FOLLOWING
FROM   VALIDATION OF CONSTRUCTS 
I
AND ITS ADDED LINKS :

ASSUMPTION :
ALONG THE HORIZONTAL AXIS
WE HAVE  DIFFERENT LEVELS OF THE CONSTRUCT
(FOR EXAMPLE MENTAL LOAD)
.
like this. ----->

__________I__________II__________III__________IV____

IN THIS EXAMPLE THE DIFFERENT LEVELS OF THE CONSTRUCT COULD BE VARIOUS CLEARLY IDENTIFIABLE SEPARATE STAGES BEFORE JUMPING OUT OF AN AIRCRAFT .

ALONG THE VERTICAL AXIS WE WILL GET DIFFERENT VALUES OF THE OBSERVABLE VARIABLE (FOR EXAMPLE PHYSIOLOGICAL MEASURES OR PERFORMANCE MEASURES) .

PREDICTION (TO BE VERIFIED) : VALUE OF OBSERVABLE VARIABLE WILL CHANGE WITH INCREASING LEVELS OF THE CONSTRUCT, FOR EXAMPLE MENTAL LOAD .

For example like this :

valocon II.JPG (3460 bytes)

IN THIS EXAMPLE THE OBSERVABLE VARIABLE IS A PHYSIOLOGICAL VARIABLE,

HEART BEAT FREQUENCY (= HF ) .

OTHER OBSERVABLE VARIABLES COULD BE HF IRREGULARITY (=SA) AND RESPIRATORY RATE (RR). RELEVANT LINK: VALOCON EXP 02 (PARACHUTISTS) .

THEY COULD ALSO BE PERFORMANCE MEASURES (e.g. RESPONSES TO STANDARDIZED STIMULI -SUCH AS GENERATED BY A BINARY CHOICE GENERATOR- ).

POSITIVELY VERIFIED PREDICTIONS ARE ARGUMENTS IN FAVOR OF THE OBSERVABLE VARIABLE AS A MEASURE OF THE CONSTRUCT.

MOST RELEVANT LINK :

VALIDATION OF CONSTRUCTS II

RELEVANT LINKS :

VALIDATION OF CONSTRUCTS I

PERFORMANCE MEASURES FOR MENTAL LOAD

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