Question

Difference between inventory, questionnaires and scale

Answer 1

Answer:

Explanation:

Sometimes, these concepts are used interchangeably. However, it is possible to make some differences with regarding to (2) the type of psychological attributes and (2) broadness of the instrument. First of all, generally, the measure is used to refers to any procedure aiming obtain data into rating or ranking in psychology and related fields. Test, appropriately, shoud be an instrument based on competence, i.e. it reflects the ability to present a correct answer to a specific item/question. Scale is commonly used with respect to attitudes or constructs for which there is not a correct response, but demands endorsing of an alternative among the presented. Inventory is more often used to measure personality traits and vocational tendencies, for instance. They do not demand a correct answer, but the indication of which option is more adequate to characterizing the individual with regarding to a specific statement. Finally, questionnaire is a broad concept. It can includes a set of different instrument types (e.g., scales, inventories). I hope these information to be useful for you.

Answer 2

Difference between inventory, questionnaires and scale:

Inventory:  Inventory is used to measure personality traits and vocational tendencies.

Questionnaires:  In a questionnaire, there is a series of questions to simply conduct a survey. In an inventory, there are questions related to specific fields to know about the individual in those very particular fields. These questions are precisely explained and have a pattern whether objective or subjective to respond.  

Scale:  Scale is a standardized form of question-based series of queries which has to be performed under strict rules. A scale is all about to measure the behavior or personality of an individual.