A good cliffhanger keeps you guessing. It leaves you wanting more and makes you eager to find out what happens next.
One element is the sense of the unknown. In short scary cliffhanger stories, like when a character hears strange noises in a dark alley but doesn't know what's making them. Another is suddenness. For example, a character is walking calmly and then suddenly something grabs their foot. Also, the lack of resolution makes the reader's mind race with possibilities.
Effective short stories often have unexpected twists or surprises. Good pacing is crucial too, not dragging things out or rushing the important moments. And having a message or takeaway for the readers makes it memorable.
The atmosphere. If a story can create a sense of unease, like in 'The Tell - Tale Heart' with its descriptions of the dark room and the narrator's growing paranoia, it's effective. Creepy settings, like old mansions or isolated places, are key.
A sense of mystery. If a Creepypasta short story has an air of mystery around it, like not fully explaining the origin of the horror entity, it can be very effective. For example, in 'Slenderman', his faceless appearance and the lack of a clear backstory make him more menacing.
Suspense is key. For example, in 'The Lottery', Shirley Jackson builds suspense by slowly revealing the details of the lottery in the village. The readers don't know exactly what the lottery is about until the very end, which makes it spooky. Also, an eerie setting helps. A dark, isolated place like the old house in 'The Fall of the House of Usher' creates a spooky atmosphere.
A clear and engaging plot. In a 22 - page short story, there's no room for long - winded descriptions. The plot needs to grab the reader's attention from the start. For example, a good mystery plot in a 22 - page story would keep the reader guessing until the end.
Character development can contribute to the effectiveness of a scary short story as well. If the reader can empathize with the characters, their fear and panic become more palpable. For example, if a character is a loving mother trying to protect her children from an unknown evil in a story, the reader will be more invested in her struggle and feel the horror more acutely.
Suspense is key. For example, in a short dark story, leaving details unknown can create a sense of unease. Like in the story where a person hears strange noises at night but never discovers the source. It makes the reader's imagination run wild.
One key factor is the element of surprise. For example, in a story where a character seems safe, and then suddenly something terrifying jumps out. It catches the reader off - guard.
A short scary story is effective when it has an element of the unknown. For example, if you don't clearly show what the monster or the danger is, it leaves the reader's imagination to fill in the gaps, which can be really terrifying. Like in a story where you just hear strange noises in a dark room but don't know what's making them.