Full Question:
A question on a survey asks respondents to express their opinion of a new flavor of potato chips on a continuum between “terrific” and “horrible”. This type of attitude scale is known as a _____.
Likert scale
Behavioral intention scale
Seven point scale
Semantic Differential Scale
Answer:
Semantic Differential Scale
Explanation:
As originated by Charles E. Osgood, Semantic Differential (SD) is a type of a rating scale usually applied to measure opinions using connotations such as adjectives that may differ by degree of effectiveness. The semantic meaning derived from these connotations are believed to be the attitude of a person towards certain objects. It is largely used in research to measure opinions, values and preferences of a person.
The entity integrity rule states that a primary key attribute can be null. Thus the statement is false.
<h3>What is an entity?</h3>
An entity is refer to any object that exists in reality. These entities are Independent in nature. Each row in a table should be a distinct entity, which is ensured by entity integrity.
The entity integrity rule states that a primary key attribute can not be null as it shows unique characteristics of an entity.No primary key value can be null according to the entity integrity constraint because it is needed to identify specific attribute values in relation.
Therefore, the statement is False.
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Answer:
A. enable us to form tentative hypotheses about what students know and can do.
They are expressed as executive orders. The president can make these for other things too like limiting immigration or making treaties with foreign nations. They can be deemed unconstitutional and abolished by the supreme court, but they don't need the approval of the congress.
All weather reports contain information on the same conditions as that is the way weather is predicted. Henceforth, weather predictors will use the same method each time.
