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Saw this pamphlet about lightning safety:
As you can tell, every sentence in the pamphlet has every single word capitalized. Is there a scientific reason that every word would be capitalized? Is this merely to annoy the reader, or is this to gain the reader's attention quicker? Is there a specific term for this or a specific reason words are capitalized such as this?
To start with the simplest question, yes this style has a name, it's called: "Title Case". It's a traditional way of capitalizing titles, it's normally not to be used in articles (though nobody really prohibits it) - there Sentence case is the most widely used. In some regions it's considered more academic and thus could give a higher esteem to the writer.
So the usage in that pamphlet appears to be wrong as this, for starters, decreases legibility. It also lowers reading spead, since everything looks like the start of a sentence or an important name or place, that negates the possibility of scanning. I think most of it can be backed up by looking at the more popular research done regarding ALL CAPS and readability. this article also talks about how capital letters decrease reading speed because they're not as common. Another clue can be found in the overpopular meme of the ease of reading scrambled words, in which the first and last latters stay the same; although the middle letters are not random, it does identify that the first (and last) letter in a word are important enough to allow such an effect.
With that last fact in mind, that could of course be the exact reason why the author did just that: to lower the reading speed so people would actually read it - however, that is just suggestive and unless we talk to the author, we'll never be 100% sure.
Another reason could be that he merely messed up a setting in his WYSIWYG editor (MS word has this option) , that made sure every word was capitalized; this either because of a mistake or he just tought that it was more stylish to do so. But again, that is just guessing!
Anyway, in the end it's mostly just a styling consideration.
On a sidenote, there doesn't appear to be any rules discussing what "Title Case" is, some do it on every word, while others suggest that "tiny" words shouldn't have an upper case.
