What does effectiveness mean?
Word: Effectiveness
Part of Speech: Noun
Meaning: Effectiveness means how well something works or how well it produces the result that was wanted.
Synonyms: success
How do you spell effectiveness?
Syllables: ef - fec - tive - ness
Tricky part: The word starts with a double f, just as effect does. Pupils who hear only one f sound write efectiveness.
Watch out for: efectiveness, effectivness
Memory tip: Chant 'eff-eff, off we go' as you begin writing, so the doubled f comes first every time.
Effectiveness in a sentence
Example 1: The coach was pleased with the effectiveness of our new passing drill.
Example 2: Scientists check the effectiveness of a new rice seed by measuring how much grain each field gives.
Example 3: Grandpa doubts the effectiveness of mosquito coils, so he sleeps under a net.
Fun Fact
Effect comes from the Latin verb efficere, meaning to carry out or accomplish, and efficient grows from the same root.
Practise the CREST Way
Word Makeup
Choose the suffix that completes the word:
effective____
a) ness
b) niss
c) nness
d) nes
Show answer
a) ness. Nouns such as kindness and darkness add ness with two s's.
Mingle-Mangle
Form a meaningful word from the jumbled letters:
snevefticefse
a) efficiency
b) effectively
c) effectiveness
d) effervescent
Show answer
c) effectiveness. Only one option uses all thirteen letters of the jumble, including the i and the v.
Word Connection
Choose the synonym of the word:
effectiveness
a) dullness
b) stillness
c) carelessness
d) usefulness
Show answer
d) usefulness. Something with great effectiveness is very useful because it does its job well.
Spell-o-Spell
Choose the correctly spelt word:
a) effectiveness
b) enviroment
c) independance
d) acheivement
Show answer
a) effectiveness. Independence ends in ence, achievement has ie, and environment keeps an n before ment.
Multiple Choice Questions
1. A teacher tests the effectiveness of a new reading game. What is she trying to find out?
a) how much the game box weighs
b) who drew the pictures on it
c) what colour the cards are
d) whether it helps pupils read better
Show answer
d) whether it helps pupils read better
2. Which of these would best show the effectiveness of a water filter?
a) how shiny the filter looks
b) how clean the water comes out
c) how heavy the jug feels
d) how loud the tap sounds
Show answer
b) how clean the water comes out
