You will be presented with triplets of objects, which will be assigned to the keys R, Z, and E.
In each trial, please indicate which object you think is the odd one out by pressing the corresponding key.
In other words, please choose the object that is the least similar to the other two.

R: tarantula, Z: earplug, and E: copier. You press <<E>>.
R: sunroof, Z: minivan, and E: pitchfork. You press <<E>>.
R: plate, Z: bologna, and E: donut. You press <<R>>.
R: dishwasher, Z: shawl, and E: crossbow. You press <<Z>>.
R: firecracker, Z: trunk, and E: soda. You press <<E>>.
R: llama, Z: cream, and E: possum. You press <<Z>>.
R: shower curtain, Z: rock, and E: teepee. You press <<Z>>.
R: peanut butter, Z: pool table, and E: treadmill. You press <<R>>.
R: heater, Z: dumbwaiter, and E: meat. You press <<E>>.
R: garbage, Z: barrel, and E: pool table. You press <<E>>.
R: towel rack, Z: letter opener, and E: pistachio. You press <<E>>.
R: gyroscope, Z: fudge, and E: slide. You press <<Z>>.
R: hard disk, Z: pickle, and E: easel. You press <<Z>>.
R: tablecloth, Z: rolling pin, and E: shaker. You press <<R>>.
R: cake mix, Z: knife, and E: cucumber. You press <<Z>>.
R: headband, Z: bat, and E: trombone. You press <<R>>.
R: drain, Z: bookmark, and E: lamb chop. You press <<R>>.
R: wine cooler, Z: burner, and E: shoe. You press <<E>>.
R: overalls, Z: beanie, and E: playpen. You press <<E>>.
R: jacket, Z: pogo stick, and E: locker. You press <<Z>>.
R: cherry, Z: outfit, and E: feather. You press <<R>>.
R: potholder, Z: chili, and E: roller coaster. You press <<Z>>.
R: ice cube, Z: pomegranate, and E: clasp. You press <<E>>.
R: crayfish, Z: bolt, and E: buoy. You press <<Z>>.
R: pine needle, Z: kite, and E: chive. You press <<Z>>.
R: taxi, Z: knitting, and E: record player. You press <<Z>>.
R: tiger, Z: holster, and E: moss. You press <<Z>>.
R: goblet, Z: nightshirt, and E: headband. You press <<R>>.
R: van, Z: kaleidoscope, and E: leotard. You press <<R>>.
R: ship, Z: soda fountain, and E: bandanna. You press <<R>>.
R: thread, Z: dress, and E: dirt bike. You press <<E>>.
R: rice, Z: fishbowl, and E: skirt. You press <<E>>.
R: cardinal, Z: wheat, and E: airboat. You press <<E>>.
R: monkey, Z: pipe, and E: bulletin board. You press <<E>>.
R: hatchet, Z: mattress, and E: blindfold. You press <<R>>.
R: cable, Z: battery, and E: seismograph. You press <<R>>.
R: headscarf, Z: hubcap, and E: button. You press <<R>>.
R: hawk, Z: ski lift, and E: chips. You press <<E>>.
R: stuffing, Z: bouquet, and E: bark. You press <<R>>.
R: chicken wire, Z: emerald, and E: cigarette. You press <<E>>.
R: scooter, Z: marshmallow, and E: train. You press <<Z>>.
R: ginger, Z: camcorder, and E: screen. You press <<R>>.
R: centerpiece, Z: milkshake, and E: drink. You press <<R>>.
R: sweatsuit, Z: torch, and E: shelf. You press <<Z>>.
R: meat, Z: lemon, and E: triangle. You press <<E>>.
R: silverware, Z: calamari, and E: hydrant. You press <<E>>.
R: olive, Z: gauge, and E: beachball. You press <<R>>.
R: pet food, Z: chihuahua, and E: tumbleweed. You press <<E>>.
R: cherry, Z: compost, and E: paintbrush. You press <<E>>.
R: stomach, Z: ski lift, and E: blowtorch. You press <<E>>.
R: screwdriver, Z: taco, and E: outlet. You press <<Z>>.
R: bolo tie, Z: jewel, and E: bird. You press <<E>>.
R: tinsel, Z: coral, and E: boa. You press <<Z>>.
R: leaf, Z: blueberry, and E: brace. You press <<E>>.
R: swordfish, Z: sauce, and E: water filter. You press <<E>>.
R: roadsweeper, Z: abacus, and E: scalpel. You press <<Z>>.
R: blueberry, Z: airbag, and E: highlighter. You press <<E>>.
R: baklava, Z: walnut, and E: coffee bean. You press <<E>>.
R: wick, Z: saw, and E: wagon. You press <<R>>.
R: rug, Z: switch, and E: corkboard. You press <<Z>>.
R: dollhouse, Z: fireworks, and E: abacus. You press <<Z>>.
R: bedpan, Z: handprint, and E: t-shirt. You press <<E>>.
R: boxer shorts, Z: taillight, and E: cotton candy. You press <<Z>>.
R: bungee, Z: gold, and E: seagull. You press <<E>>.
R: whipped cream, Z: yolk, and E: metronome. You press <<E>>.
R: binoculars, Z: puppy, and E: wetsuit. You press <<Z>>.
R: lectern, Z: apron, and E: parfait. You press <<R>>.
R: ottoman, Z: reel, and E: duct. You press <<E>>.
R: machete, Z: wand, and E: bazooka. You press <<E>>.
R: mat, Z: basil, and E: bull. You press <<E>>.
R: bat, Z: wood, and E: chihuahua. You press <<Z>>.
R: chain, Z: sprinkler, and E: clipper. You press <<Z>>.
R: kaleidoscope, Z: cookie, and E: gauze. You press <<R>>.
R: ottoman, Z: chip, and E: towel rack. You press <<R>>.
R: dumpster, Z: turbine, and E: hash. You press <<R>>.
R: paper towel, Z: wok, and E: fruitcake. You press <<R>>.
R: coral, Z: arrow, and E: licorice. You press <<Z>>.
R: wooden leg, Z: bow, and E: dice. You press <<R>>.
R: elbow, Z: urinal, and E: cane. You press <<Z>>.
R: deer, Z: gravel, and E: chessboard. You press <<R>>.
R: handbrake, Z: velcro, and E: towel rack. You press <<R>>.
R: cooker, Z: column, and E: lightbulb. You press <<Z>>.
R: cleaver, Z: cooler, and E: train set. You press <<E>>.
R: float, Z: highlighter, and E: jackhammer. You press <<R>>.
R: locket, Z: metal detector, and E: headlight. You press <<Z>>.
R: stingray, Z: cigarette, and E: button. You press <<Z>>.
R: pencil sharpener, Z: step stool, and E: lamb. You press <<E>>.
R: walker, Z: gel, and E: gourd. You press <<R>>.
R: rope, Z: telescope, and E: sandbag. You press <<Z>>.
R: flashbulb, Z: kettle, and E: pineapple. You press <<E>>.
R: trapdoor, Z: balance beam, and E: seagull. You press <<E>>.
R: mud, Z: jalapeno, and E: tortilla. You press <<R>>.
R: donkey, Z: blanket, and E: sand. You press <<R>>.
R: hobbyhorse, Z: stingray, and E: humvee. You press <<E>>.
R: whisk, Z: compass, and E: pacifier. You press <<E>>.
R: nacho, Z: duct tape, and E: pigeon. You press <<R>>.
R: ladybug, Z: snow, and E: wing. You press <<R>>.
R: jewelry, Z: gauze, and E: clove. You press <<R>>.
R: bungee, Z: clay, and E: peach. You press <<R>>.
R: paperweight, Z: rake, and E: hammer. You press <<R>>.
R: crayon, Z: cherry, and E: face mask. You press <<E>>.
R: wick, Z: lock, and E: roller. You press <<E>>.
R: prune, Z: insole, and E: solar panel. You press <<Z>>.
R: string cheese, Z: car, and E: guillotine. You press <<R>>.
R: slipper, Z: soup, and E: hard disk. You press <<Z>>.
R: sonogram, Z: loincloth, and E: licorice. You press <<E>>.
R: cigarette, Z: jigsaw puzzle, and E: steamroller. You press <<Z>>.
R: hot chocolate, Z: water bottle, and E: nail. You press <<E>>.
R: rattle, Z: beetle, and E: goat. You press <<R>>.
R: flyswatter, Z: stove, and E: pig. You press <<E>>.
R: satellite dish, Z: handbrake, and E: cigarette. You press <<R>>.
R: mongoose, Z: candy, and E: snowmobile. You press <<R>>.
R: girl, Z: chive, and E: submarine. You press <<Z>>.
R: soap, Z: scalpel, and E: macaroni. You press <<E>>.
R: gallows, Z: squirt gun, and E: volleyball. You press <<E>>.
R: toy, Z: sheet, and E: power line. You press <<E>>.
R: mustache, Z: weasel, and E: sugar cube. You press <<E>>.
R: chicken, Z: slug, and E: lock. You press <<E>>.
R: broccoli, Z: puppet, and E: antenna. You press <<E>>.
R: beetle, Z: space shuttle, and E: pickax. You press <<R>>.
R: card, Z: chime, and E: wok. You press <<E>>.
R: cookie sheet, Z: cotton candy, and E: dumpster. You press <<Z>>.
R: tape measure, Z: gazelle, and E: ladybug. You press <<R>>.
R: heater, Z: peanut, and E: toolbox. You press <<Z>>.
R: train car, Z: blowgun, and E: barrel. You press <<R>>.
R: handlebar, Z: ketchup, and E: taffy. You press <<R>>.
R: guillotine, Z: lumber, and E: rhubarb. You press <<E>>.
R: muffin, Z: horn, and E: bush. You press <<R>>.
R: pasta, Z: shoe, and E: lobster. You press <<Z>>.
R: egg, Z: tuba, and E: hubcap. You press <<R>>.
R: bulletproof vest, Z: hobbyhorse, and E: rifle. You press <<Z>>.
R: mulch, Z: organ, and E: tulip. You press <<Z>>.
R: ironing board, Z: bedpost, and E: shopping basket. You press <<E>>.
R: earplug, Z: bongo, and E: jet. You press <<Z>>.
R: leopard, Z: sofa bed, and E: table. You press <<R>>.
R: computer screen, Z: visor, and E: camera. You press <<Z>>.
R: pendulum, Z: badge, and E: bell. You press <<Z>>.
R: blower, Z: basketball hoop, and E: sauce. You press <<E>>.
R: mulch, Z: paper, and E: marmalade. You press <<E>>.
R: holster, Z: juice, and E: camcorder. You press <<Z>>.
R: palm tree, Z: cigar, and E: funnel. You press <<R>>.
R: tulip, Z: snowsuit, and E: stake. You press <<Z>>.
R: beet, Z: pumpkin, and E: blowfish. You press <<E>>.
R: pogo stick, Z: chair, and E: pole. You press <<Z>>.
R: handlebar, Z: lighter, and E: desk. You press <<Z>>.
R: frame, Z: baseball glove, and E: baton. You press <<R>>.
R: eggbeater, Z: pennant, and E: sorbet. You press <<Z>>.
R: boomerang, Z: seesaw, and E: spareribs. You press <<E>>.
R: dustpan, Z: ski boots, and E: bassinet. You press <<Z>>.
R: firewood, Z: buggy, and E: lime. You press <<Z>>.
R: tambourine, Z: step stool, and E: baton. You press <<Z>>.
R: match, Z: snowshoe, and E: bowtie. You press <<R>>.
R: celery, Z: cruise ship, and E: strainer. You press <<Z>>.
R: hawk, Z: hydrant, and E: bathtub. You press <<R>>.
R: wick, Z: rhinoceros, and E: sonogram. You press <<R>>.
R: robot, Z: canvas, and E: highchair. You press <<Z>>.
R: ruler, Z: sword, and E: skin. You press <<Z>>.
R: railing, Z: swimsuit, and E: rabbit. You press <<Z>>.
R: cream, Z: ruby, and E: cracker. You press <<E>>.
R: sandbox, Z: poker, and E: leek. You press <<E>>.
R: petri dish, Z: locket, and E: doily. You press <<Z>>.
R: grill, Z: tortilla, and E: roof rack. You press <<E>>.
R: incubator, Z: touchpad, and E: snowball. You press <<Z>>.
R: breadstick, Z: cucumber, and E: tag. You press <<E>>.
R: trap, Z: subway, and E: chick. You press <<Z>>.
R: seahorse, Z: zucchini, and E: wallpaper. You press <<E>>.
R: tee, Z: pipe, and E: crucifix. You press <<Z>>.
R: broom, Z: rat, and E: crane. You press <<Z>>.
R: defibrillator, Z: videogame, and E: smoke alarm. You press <<E>>.
R: wheelchair, Z: patty, and E: turf. You press <<E>>.
R: curry, Z: pocket watch, and E: aircraft carrier. You press <<R>>.
R: tumbleweed, Z: fish, and E: guardrail. You press <<Z>>.
R: purse, Z: deer, and E: duck. You press <<R>>.
R: wax paper, Z: bookmark, and E: sea urchin. You press <<Z>>.
R: cockatoo, Z: dumpling, and E: champagne. You press <<R>>.
R: polisher, Z: drum, and E: fur coat. You press <<Z>>.
R: bowler hat, Z: lectern, and E: battery. You press <<Z>>.
R: drink, Z: spool, and E: uniform. You press <<R>>.
R: wheel, Z: chime, and E: gum. You press <<Z>>.
R: thermos, Z: trigger, and E: taffy. You press <<E>>.
R: knitting, Z: boot, and E: dirt bike. You press <<E>>.
R: hobbyhorse, Z: potpie, and E: turtle. You press <<Z>>.
R: eraser, Z: cashew, and E: pig. You press <<R>>.
R: button, Z: tongs, and E: pistachio. You press <<Z>>.
R: ottoman, Z: briefcase, and E: torch. You press <<E>>.
R: panties, Z: headscarf, and E: chime. You press <<E>>.
R: insole, Z: gum, and E: flask. You press <<R>>.
R: shark, Z: shoulder, and E: guillotine. You press <<Z>>.
R: chin, Z: cannonball, and E: robe. You press <<Z>>.
R: pantsuit, Z: wheel, and E: clover. You press <<E>>.
R: pajamas, Z: groundhog, and E: tiramisu. You press <<R>>.
R: sleeping bag, Z: arrow, and E: trophy. You press <<E>>.
R: clover, Z: carousel, and E: rake. You press <<R>>.
R: fan, Z: crab, and E: poker. You press <<Z>>.
R: scarf, Z: spider web, and E: catfish. You press <<R>>.
R: slicer, Z: cobra, and E: pine needle. You press <<R>>.
R: goalpost, Z: laser pointer, and E: baby. You press <<R>>.
R: straw, Z: inkwell, and E: lightning bug. You press <<E>>.
R: cleat, Z: combination lock, and E: bean. You press <<E>>.
R: gallows, Z: stem, and E: bonsai. You press <<R>>.