Robert Stands Three Times on a Pair of Scales Within

question 11

Multiple Choice

Robert stands three times on a pair of scales within a period of 5 minutes.The first time he weighs 92 kg,the second time he weighs 102 kg and the third time he weighs 95 kg.His real weight is 86 kg.What is the matter with the scales?

• A)The pair of scales is not reliable and not valid.
• B)The pair of scales is reliable but is not valid.
• C)The pair of scales is not reliable but is valid.
• D)The pair of scales is reliable and valid.

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Definitions:

Young Children

A phase of early childhood encompassing the ages from infancy through early elementary years, typically considered to be ages 2-6.

Reinforcer

In behaviorism, any event that strengthens or increases the likelihood of a behavior being repeated.

Senses

The physiological capacities of organisms that provide data for perception, including sight, sound, taste, touch, and smell.

Hearing

Hearing is the sensory perception of sound, enabling individuals to detect vibrations through organs like the ears.