The Science of Gratitude Worksheet Download
Free reading comprehension worksheet about what scientists have learned about gratitude. Pick the reading level (3rd grade to 8th grade), print the passage with its questions, or assign it online.
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Available at 3rd grade, 4th grade, 5th grade, 6th grade, 7th grade and 8th grade reading levels.
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Imagine you are sitting at a cozy table with a pencil and a blank sheet of paper. Your job is to list a few things you feel thankful for, like a warm blanket or a kind friend. Feeling thankful is called gratitude, and psychologists, scientists who study how people think and feel, have tested it with lists just like yours.
One famous test of those lists happened in 2003, when psychologists Robert Emmons and Michael McCullough asked college students to write once a week. One group listed things they were grateful for, while another wrote about hassles, small annoying things like a lost pencil. In the end, the thankful writers felt better about their lives than the hassle writers did.
Feeling better made scientists curious, so they tried thank-you letters next. In 2005, a team including psychologist Martin Seligman asked people to write to someone kind and read the letter aloud in person, called a gratitude visit. Afterward, many people felt happier for a little while, and scientists think gratitude may help because it makes us notice good things and feel closer to others.
Feeling closer to others is a lovely idea, but scientists are still testing it. They are not sure gratitude helps everyone, so it is no magic cure, but saying thank you is easy to try. Still, a short list on a sheet of paper has kept scientists asking questions for years.
Picture a college student sitting at a desk in the early 2000s with a notebook and a sharp pencil. Once a week, the student writes down up to five things from the past seven days that make her feel thankful. It might be a warm sweater, a funny joke from a friend, or a sunny walk. Could such a tiny habit really change how a person feels?
That was the exact question psychologists Robert Emmons and Michael McCullough tested in a 2003 study. They split college students into groups that wrote in journals once a week for ten weeks. One group listed things they were grateful for, while another listed hassles, the small annoying things in a day. When the writing was done, the thankful writers felt better about their lives overall than the hassle writers did.
Those results made other scientists curious, and some tried a bigger kind of thank-you. In 2005, a team including psychologist Martin Seligman asked people to write a letter to someone kind and read it aloud to that person, face to face. Scientists called this a gratitude visit. Afterward, people felt happier, though the boost lasted only about a month.
A feeling that fades leaves a puzzle: why would a few thankful words matter at all? Scientists have some ideas. Thinking about gratitude may teach you to notice good things, like a flashlight showing what was already in the room. Saying thanks may also help people feel closer to one another, and friendships are a big part of a happy life.
Feeling closer and noticing more are still only ideas, though. Scientists are not sure how much gratitude helps, or for whom, and it is not a cure for anything. You can try it by jotting down three good things at the end of a day. A notebook, a pencil, and a few minutes a week were enough to get scientists asking big questions.
Here is a puzzle: how could a few sentences on paper change the way a person feels about a whole week? Picture a student at a desk, pencil tapping, listing three good things since Monday, like a warm sweater, a funny joke, or the last crunchy bite of toast. It sounds too small to matter, yet psychologists, scientists who study how people think and feel, have tested it. Put on your detective hat, because the clues are surprising.
The biggest clue came in 2003, when psychologists Robert Emmons and Michael McCullough ran a well-known experiment with college students. Each week, some students wrote about five things they were grateful for, while others wrote about hassles, the small annoyances that bugged them. After about ten weeks, the gratitude writers said they felt better about their lives than the hassle writers did. That is a surprisingly small change, since the groups mostly differed in what they were asked to notice.
A notebook list stays private, so later scientists wondered what would happen if gratitude traveled to another person. In 2005, psychologist Martin Seligman and his team asked people to write a thank-you letter to someone kind, then visit that person and read it aloud, calling it a gratitude visit. People who did this reported feeling happier for about a month afterward. In 2018, researchers Amit Kumar and Nicholas Epley found that letter writers guessed their receivers would feel only a little pleased, but the receivers felt more positive than expected.
Those happy receivers hint at a big idea about why gratitude may help: it connects people. Researchers have two main guesses, and the first is that noticing good things works like a flashlight for kind moments hiding among the problems of the day. The second is that thanking someone may bring people closer, and psychologist Sara Algoe has studied how a thank-you can help people feel more connected. Both ideas fit the clues, but they are possible explanations, not final answers.
Because those answers are not final, researchers keep hunting for clues. They are unsure how long good feelings last, whether gratitude helps everyone equally, and why some studies find only small changes. It is not a cure for sadness or big problems, but it is a free, tiny tool to try with a notebook or a note. Try it, and you will be repeating a real experiment that began with college students, some paper, and a short list of good things.
Is gratitude just good manners, the quick 'thank you' you say when someone passes you a slice of pie? Many people think so, but scientists have been treating thankfulness like a mystery worth solving. They ask big questions: Can gratitude be measured, and does noticing good things change how a person feels? Picture a plain notebook with a few lines scribbled in it once a week, because that tiny habit launched one of the most famous experiments on the subject. Gratitude may be far more than politeness.
That experiment, published in 2003, was led by psychologists Robert Emmons and Michael McCullough. In one part of their research, college students wrote short entries once a week for about ten weeks. One group listed things they were grateful for, another listed daily hassles such as annoying chores, and a third wrote about events that had affected them. By the end, the gratitude group felt better about their lives as a whole and more hopeful about the coming week than the group that wrote about hassles. Notice the careful wording, though: better than the hassle writers, not cured of every worry.
A private notebook is one thing, but other scientists wondered what would happen if thanks left the page and traveled. In a 2005 study, psychologist Martin Seligman and his colleagues asked people to write a thank-you letter to someone who had been kind to them but had never been properly thanked. Then each writer delivered the letter in person and read it aloud, a meeting the researchers called a gratitude visit. Afterward, people reported feeling happier, but the boost lasted only about a month before fading. Years later, researchers Amit Kumar and Nicholas Epley found that letter writers guessed their notes would feel awkward, yet readers were often more delighted than the writers expected.
Delight like that hints at one possible reason gratitude helps: it may work like glue between people. Psychologist Sara Algoe has proposed that thanking someone helps people notice caring friends and draws them closer. A second idea is that gratitude works like a flashlight for your attention, spotlighting good things that would otherwise slip past in a busy day. Scientists are still unsure how much each idea explains. Many studies have been small, many have used college students, and the effects are often modest, so researchers keep testing before drawing big conclusions.
Modest is not the same as meaningless, and that is why this research still matters in a world that shouts all day about what is missing. In my view, gratitude is a rare experiment anyone can run for free, with nothing more than a pencil and a few quiet minutes. You could jot down three good things from your day, or hand a thank-you note to someone who helped you. Then notice what changes, if anything, the way a scientist would. After all, the study that started it all asked people only to fill a few lines each week.
Ten weeks, three groups, and one sheet of paper each week: that was the recipe for a famous experiment about thankfulness. In 2003, psychologists Robert Emmons and Michael McCullough asked college students to write a short list every week. One group listed up to five things they were grateful for, another listed up to five hassles that had annoyed them, and a third wrote about events that had affected them. A gratitude list might include a kind friend, a sunny afternoon, or a song that rescued a rotten day. By the end, the thankful writers felt better about their lives and were more hopeful about the coming week than students in the other groups.
Hopeful sounds great, but a scientist's first question is always whether something else could explain the result. That is why students were assigned to groups by chance, so the hassle writers lived school lives much like the thankful ones. Emmons and McCullough ran more versions of the experiment, including one in which people wrote every day for two weeks. In another, adults living with a long-term muscle-related health condition kept daily notes for about three weeks. Those results pointed the same direction, which is part of why the 2003 paper became so well known.
A private list is one thing, but what happens when thanks leaves the notebook and travels to another person? In 2005, psychologist Martin Seligman and his colleagues tested a gratitude visit, in which people wrote a letter to someone who had been kind and then read it aloud in person. People who did this felt happier right afterward, but the lift faded as time passed. Years later, researchers Amit Kumar and Nicholas Epley found something surprising about thank-you letters. People who wrote them guessed their readers would feel less happy than the readers truly reported feeling.
That gap between guess and reality hints at one reason thanks might matter: it can draw people closer. Psychologist Sara Algoe has proposed that gratitude helps people notice who is good to them and strengthens those bonds, a bit like glue. A second idea is about attention. Many psychologists think minds tend to snag on problems the way a sweater snags on a nail, so hunting for good things on purpose might change what a person notices. Both ideas are explanations scientists are still testing, not facts they have settled.
Testing those ideas is tricky, because feelings cannot be measured with a ruler. Most studies ask people to rate their own moods, and students who guess what researchers hope for might nudge answers without meaning to. When scientists later combined the results of many gratitude studies, they usually found benefits that were modest and that differed from person to person. Nobody yet knows for sure which kind of practice works best, who it helps most, or how long the good feelings last. That is why careful scientists describe gratitude as a possible helper, never as a cure for sadness or illness.
Even a possible helper is worth a try, and the equipment for your own experiment is easy to find. You could jot down a few good things from your day, the way the college students in 2003 did. You could write a thank-you note to a coach, neighbor, or relative and notice how it feels to hand it over. Many families also pause around Thanksgiving to say aloud what they appreciate, though thank-yous can happen any day of the year. After all, one of the most talked-about experiments in the science of thanks began with nothing fancier than a weekly list on a sheet of paper.
Imagine a homework assignment with no right answers: once a week, write down up to five things from the past seven days that you feel thankful for. That was the task for one group of university students in a study published in 2003 by Robert Emmons and Michael McCullough, and it became one of the most talked-about experiments in the science of thankfulness. Two other groups got different instructions: one listed hassles, the little irritations that make a week feel heavy, while the other listed events that had affected them, good or bad. All three groups kept up their weekly lists for ten weeks. Notice the clever design: because everyone wrote about the same amount, the researchers could ask whether gratitude itself mattered, not just the act of writing.
That fair comparison is what made the results worth talking about, because the gratitude group pulled ahead on several measures. At the end of the study, these students said they felt better about their lives as a whole and were more optimistic about the coming week than the students who had listed hassles. Here is the catch worth underlining: every one of those ratings came from the students themselves. Scientists often rely on self-reports because no machine can read satisfaction directly, but answers can be nudged by what people think researchers hope to hear. So the 2003 study was a strong start, not a final verdict.
Self-reports were also the tool in the next famous experiment, which carried thankfulness out of the notebook and onto someone's doorstep. In 2005, Martin Seligman and his colleagues asked participants to write a thank-you letter to someone who had never been properly thanked, then deliver it in person and read it aloud, a 'gratitude visit.' Compared with people who wrote about early memories, those who made the visit reported feeling happier and less down in the weeks afterward. The lift lasted about a month, and by the three-month check-in it had faded. Writing down three good things each night for a week, in contrast, was linked to benefits lasting about six months, hinting that a small habit may outlast one big gesture.
Whether a habit or a gesture, scientists have offered two main explanations for why such small acts might matter, and they are worth telling apart. The first is about attention: writing down good things may train the mind to notice them, much as deciding to hunt for red cars makes red cars seem to appear on every street. The second is about people: psychologist Sara Algoe has proposed that gratitude is a 'find, remind, and bind' emotion that helps us find kind people, remember the ones we have, and grow closer to them. A 2018 study by Amit Kumar and Nicholas Epley found that people who wrote thank-you letters underestimated how happy and surprised the readers would be and overestimated how awkward the letters would feel. These two explanations are not rivals, since both could be true at once.
'Could be true,' however, is often where honest scientists have to stop. A 2016 review led by Don Davis, which pulled together more than two dozen studies, found that the benefits of gratitude exercises were modest and not always larger than those of other positive activities. Another puzzle is that people usually know what they are being asked to do, so someone told to feel thankful may report feeling better partly because they expect to. Researchers also cannot yet say for certain who benefits most, how often to practice, or how long the effects last. That is why careful scientists do not promise that gratitude cures anything; the honest claim is that it may help some people feel somewhat better.
Modest, however, does not mean useless, and the practices behind these studies are easy to try. You can jot down a few good things from your week, as Emmons and McCullough's students did, or three each night. You can write a thank-you note to a coach, relative, neighbor, or teacher, and if you feel brave, read it aloud. Specific details help, because they show the reader exactly what you noticed: 'You stayed late to help me fix my project' says more than 'thanks for everything.' Whatever you try, remember where the famous research began: not with a machine or a miracle, but with students who wrote a short list once a week for ten weeks.
About this worksheet
Students read a nonfiction passage about what scientists have learned about gratitude, written at 6 reading levels (3rd grade to 8th grade), and answer multiple-choice questions about it.
A reading comprehension worksheet about what scientists have learned about gratitude with a different article for each reading level, 3rd grade to 8th grade, each with its own multiple-choice questions aligned to the Common Core Reading: Informational Text standards. Printable with an answer key, and available as an online assignment at any level.
Student objectives
- Read a nonfiction passage about how scientists study gratitude.
- Find details that describe how the 2003 study was set up and what it found.
- Explain why scientists think thankfulness might help people.
- Explain what scientists are still unsure about.
Everyday practice
- At the end of one day, write down three good things that happened and notice how you feel.
- Say a spoken thank-you to someone who was kind to you, and look at how they react.
- Notice small good things around you, like a flashlight showing what was already in the room.