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Deprecated: Return type of WPUM\Brain\Cortex\Route\PriorityRouteCollection::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/PriorityRouteCollection.php on line 69

Deprecated: Return type of WPUM\Brain\Cortex\Route\PriorityRouteCollection::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/PriorityRouteCollection.php on line 76

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Deprecated: Return type of WPUM\Brain\Cortex\Route\PriorityRouteCollection::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/PriorityRouteCollection.php on line 90

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Deprecated: Return type of WPUM\Brain\Cortex\Route\QueryRoute::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/DerivativeRouteTrait.php on line 41

Deprecated: Return type of WPUM\Brain\Cortex\Route\QueryRoute::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/DerivativeRouteTrait.php on line 50

Deprecated: Return type of WPUM\Brain\Cortex\Route\QueryRoute::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/DerivativeRouteTrait.php on line 59

Deprecated: Return type of WPUM\Brain\Cortex\Route\QueryRoute::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/DerivativeRouteTrait.php on line 67

Deprecated: Return type of WPUM\Brain\Cortex\Route\Route::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/Route.php on line 62

Deprecated: Return type of WPUM\Brain\Cortex\Route\Route::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/Route.php on line 69

Deprecated: Return type of WPUM\Brain\Cortex\Route\Route::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/Route.php on line 76

Deprecated: Return type of WPUM\Brain\Cortex\Route\Route::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/Route.php on line 83

Deprecated: Return type of WPUM\Brain\Cortex\Router\RouteFilterIterator::accept() should either be compatible with FilterIterator::accept(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Router/RouteFilterIterator.php on line 56

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Uri/WordPressUri.php on line 66

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Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Uri/WordPressUri.php on line 66
John Stevenson, Author at Grateful.org

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Researchers Publish Novel Study of Gratitude in Online Communities

by John Stevenson

Published in the Journal of the Association for Information Science and Technology, Senior Lecturer in…

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