Character of a good test/ measurements and evaluation

1. CENTRAL UNIVERSITY OF KASHMIR
TULMULLAH CAMPUS
DEPT OF TEACHER EDUCATION
COURSE CODE : IBM C 404.
COURSE TITLE : MEASUREMENT AND EVALUATION
. PRESENTATION TOPIC : CRITERIA OF AN EFFECTIVE TOOL ( USABILITY).
PREPARED BY : IRTIZA MUSHTAQ
. ENROLLMENT NUMBER: 2129CUKMR16.
SUBMITTED TO : MS SAIMA BASHIR ..

2. Tables of content...
 Meaning of a test .
 Criteria of an effective tool/ test.
 Usability.
 Five attributes of usability.
 Determinant of usability ( usability testing).
 Objectives of usability testing.
 Seven pillars of usability.
 References ...

3. Meaning of a test
 A formal and systematic instrument ,usually paper
and pencil procedure designed to assess the quality
,ability ,skill or knowledge of the students by giving a
set of questions in uniform manner .
 One of the many type of assessment procedures used
to gather information about the performance.

4. Criteria of an effective tool
 There is a set criteria for measuring the effectiveness of a
tool/test. If we want to check the effectiveness of a test we
have to check its;
 Validity.
 Reliability.
 Objectivity.
 Usability.
 Scorability.
 Etc...

5. Meaning of
usability
 Usability is a method or process we use to
determine how easy something is to identify
,comprehend ,and ultimately use .
Or
The fact of something being easy to use or the
degree to which it is easy to
use. 'Cambridge Dictionary'
Or
Ease of administering ,ease of intrepretation,usage of
scores ,economical,comprehensiveness.

6. Determinant of usability ( usability
testing)
 There are many tools available to determine the usability of
something. The most fundamental, and effective, is
usability testing. In this process, you take a group of typical
users of the item, ask them to perform a series of normal
operations with the item, and observe the results of those
operations.The results allow the evaluator to determine the
usability.

7. Five attributes of usability...
 Learnability - describes how quickly something can be understood and put
to use.
 Efficiency - describes how quickly something can be used once
understanding is achieved.
 Memorability - describes how easily something can be put down, then
picked up and used after some time has passed.
 Errors - describes how often errors are created during use, and how
quickly the user can recover from them.
 Satisfaction - describes how pleasing something is to use.

8. Objectives of usability testing....
 Determine whether testers can complete tasks
successfully and independently.
 Assess their performance and mental state as they
try to complete tasks, to see how well your design
works.
 See how much users enjoy using it
 Identify problems and their severity.
 Find solutions.

9. Seven pillars of usability....
 Useful.
 Usable.
 Findable .
 Credible .
 Desirable .
 Assessable .
 Valuable.

10. References....
 https://www.interaction-design.org/literature/topics/usability-
testing.
 https://study.com/academy/lesson/what-is-usability-
definition-tools.html
 https://dictionary.cambridge.org/dictionary/english/usability

11.  Thank
. You..