the best technique to control the length of paragraph is to develop shorter sentences.
Explanation:Tthe best way to control the length is to keep the sentences short.By doing so we can communicate our ideas to the readers clearly,which is hard to achieve if sentence is too long.Better understanding can be there if sentences are small.Long sentences affect comprehension and readability.
Do not follow a strict length for each and every sentence.your writing should have a mixture of short ,medium and long sentences.it avoids monotony.Do not use two or three main ideas in a single sentence.use single idea in a sentence to make it easily understandable.When you convey series of facts ,do not use all facts in one sentence.
Avoid sentence full of commas.Do not use non essential prepositional phrases.We can use conjunctions to connect two sentences.
<span>The correct answer is My boss, who was recently promoted again, is great at motivating her employees. That is because it has an appositive phrase that is separated by commas properly. Dashes wouldn't be used here because they are used in different situations, not to separate apposition.</span>