A sentence completion activity is a task where a person finishes a partial sentence, either by filling in a blank with a word or phrase or by writing a logical ending. It is used in education, psychology, and language testing to measure vocabulary, grammar, reading comprehension, or even personality traits.
What Is a Sentence Completion Activity?
At its core, the activity presents a sentence with one or more missing parts. The participant supplies the missing word, phrase, or clause. For example, “The cat sat on the ________” is a simple cloze-type completion. In more advanced versions, the prompt might be “When she opened the door, she saw ________” and the respondent writes any grammatically correct ending.
There are two main formats: cloze tests and open-ended completions. Cloze tests remove specific words (often every nth word) and ask the reader to restore them. Open-ended completions give a sentence stem and ask for any sensible continuation. Both formats assess different skills, but they share the same basic principle: the participant uses context to produce language.
Where Sentence Completion Activities Are Used
Educators use sentence completion in classrooms for language arts, ESL (English as a Second Language), and literacy intervention. It is also a staple in standardized tests like the SAT, GRE, and TOEFL, where vocabulary and reading comprehension are measured through fill-in-the-blank questions.
In psychology, sentence completion tests have a long history. The Rotter Incomplete Sentences Blank (developed in 1950) asks people to finish sentence stems like “I like ________” or “My mother ________”. The responses are then scored for emotional tone or content, sometimes as a screening tool for adjustment. Another example is the Washington University Sentence Completion Test, which measures ego development. These are not right-or-wrong tests; they are projective measures that reveal attitudes, concerns, or thinking styles.
How to Design a Good Sentence Completion Activity
Creating an effective activity requires attention to the goal. A well-designed item should have a clear correct answer (for language testing) or a clear scoring rubric (for psychological use). Here are the key steps:
- Define the skill you are testing: vocabulary, grammar, reading inference, or personality.
- Choose sentence stems that are unambiguous. Avoid cultural references that not all test-takers will know.
- For cloze tests, delete words that are predictable from context, not random ones.
- Provide enough context in the sentence so the answer is not arbitrary.
- For open-ended prompts, decide whether any grammatically correct answer is acceptable or if you need specific content.
- Pilot the items with a sample group to check for multiple unintended correct answers.
Common Problems and How to Avoid Them
One frequent issue is ambiguous stems. For example, “The man was ________” could be filled with “tall”, “angry”, “running”, or “a doctor” (though the last one is not grammatical). This is fine for open-ended tasks but problematic for tests with a single correct answer. To fix this, add more context: “The man was so tall that he had to duck under the doorframe.”
Another problem is cultural bias. A sentence like “She wore a kimono to the festival” assumes knowledge of Japanese culture. In a diverse classroom, this could unfairly disadvantage some students. Use neutral, universally understood situations.
Scoring can also be tricky. In psychological tests, responses are not right or wrong, but they require trained raters. In language tests, partial credit may be needed for near-synonyms. For example, “The sky is ________” could accept “blue”, “clear”, or “cloudy” depending on the intended answer. A good rubric specifies acceptable alternatives.
Sentence Completion vs. Other Language Activities
Sentence completion is often compared to multiple-choice questions and sentence rewriting. Multiple-choice provides options, so it tests recognition rather than recall. Sentence completion requires recall, which is harder and more indicative of productive vocabulary. Sentence rewriting (e.g., “Rewrite the sentence using the word ‘although'”) tests grammar and syntax but gives the learner more freedom. Completion sits between the two: it constrains the answer but still requires production.
Compared to essay writing, sentence completion is far more controlled. It isolates a specific skill without requiring organization or idea generation. This makes it useful for diagnostic testing, but it does not measure higher-order writing abilities.
Benefits and Limitations
The main benefit is efficiency. You can test many items in a short time, and scoring is often quick (especially with a clear answer key). It is also easy to adapt for different levels by adjusting the complexity of the sentence.
However, the activity has limitations. It can encourage guessing, especially in cloze tests where students may not read the whole passage. It also does not measure fluency or the ability to connect ideas across sentences. For personality assessment, critics argue that responses may be influenced by social desirability—people write what they think is acceptable, not what they truly feel.
Frequently Asked Questions
What is the difference between a cloze test and a sentence completion test?
A cloze test removes words from a passage (often every fifth or seventh word) and asks the reader to fill them in. A sentence completion test gives individual sentences with blanks or stems, and the participant supplies the missing word or ending. Cloze tests measure reading comprehension and context use; sentence completion tests can measure vocabulary, grammar, or personality depending on the design.
Can sentence completion activities be used for young children?
Yes, but the prompts must be age-appropriate. For early readers, use pictures or highly predictable sentences like “The dog says ________”. For older children, you can use more complex stems. It is a common activity in primary grades to build vocabulary and sentence structure.
Are sentence completion tests reliable for personality assessment?
They have moderate reliability and validity when scored by trained professionals. However, they are not as standardized as questionnaires like the MMPI. They are often used as a supplement to interviews or other tests, not as a standalone diagnosis. The interpretation depends heavily on the scorer’s skill.
How do I score an open-ended sentence completion activity?
For language tests, you can accept any answer that is grammatically correct and makes sense in context. For psychological tests, you need a rubric that categorizes responses by theme or emotional tone. For example, the Rotter test scores responses as positive, negative, or neutral in relation to the stem. Always pilot your scoring system with a few responses to ensure consistency.
What are some examples of sentence completion prompts?
Language-focused examples: “The weather was so cold that ________” or “If I had known, I would have ________”. Psychological examples: “I feel happiest when ________” or “The thing I fear most is ________”. The key is that the stem is incomplete and the respondent must finish it.
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