Serif vs Sans Serif Fonts | Differences & Examples

One of the most basic typography decisions you’ll have to make is whether to use a serif vs. sans serif font. This decision might seem trivial—serifs are, after all, just the tiniest of lines that cap the ends of letters—but their presence or absence can profoundly impact how your document, logo, or ad is perceived and the message it sends.

Sometimes, visualizing the effect that small choices can have on your design is difficult. Tools like QuillBot’s AI design generator can help you prototype your ideas before implementing them.

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What Is Typography? | Definition & Key Terms

If you’ve created a document or presentation, you’ve practiced typography. Put simply, typography is the art of arranging text to be readable and visually appealing. Important considerations include size, spacing, alignment, typeface (or font), and color.

This beginner’s guide to typography will give you the foundational knowledge to create polished, professional documents. And because great design requires more than just great text, QuillBot’s AI Image Generator can help you create bespoke visuals to pair with your perfect typography.

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How to Write a Hypothesis | Explanation & Examples

Writing a hypothesis is a cornerstone of virtually any quantitative research. A strong hypothesis should be testable, allowing you to collect evidence that will support or refute it. However, hypotheses can be complex, and writing a good one takes time and effort. Below is a breakdown of steps you can follow to set yourself up for hypothetical success!

Hypothesis examples
  • People will retain more information when text is written in an easy-to-read font compared to a hard-to-read font. 
  • The amount of snow that falls in December will be correlated with daily average temperatures the following April.
  • A plant watered with grape soda will grow faster than a plant watered with cream soda.

Clearly, some of these hypotheses are more likely to be true than others, but they share a key feature: they all make a prediction that can be tested by conducting some form of research.

If you feel stuck writing a hypothesis, QuillBot’s free AI writer can help you refine and better express your ideas.

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Christmas Card Writing | 60+ Warm, Personal Messages

While receiving warm, heartfelt Christmas cards from friends and family can be a highlight of the season, writing these messages can make you feel like a total Grinch. Keep reading to learn exactly what you should write, take inspiration from our comprehensive list of ideas, and guarantee your spot on the nice list!

If you could use some extra help drafting the perfect Christmas card messages, try QuillBot’s free AI writer. Just describe what you’re looking for and “wrap up” your writing in record time!

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Burstiness & Perplexity | Definition & Examples

Was this written by a real person or an AI? As generative AI tools become better and better at mimicking human writing, this question is getting increasingly difficult to answer.

Measures like burstiness and perplexity, which capture patterns in a piece of writing, are one way to assess whether text is written by generative AI. AI detectors like QuillBot’s AI detector can use these metrics to quantify how human-like a piece of writing is.

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Sampling Bias | Definition, Types & Examples

Because collecting data from every single individual in a population is often difficult or even impossible, researchers typically study a smaller group known as a sample. If the sample accurately reflects the broader population, findings from the sample can be generalized to that population.

However, selecting a truly representative sample isn’t easy—some individuals may be more likely to be included in a study than others. Sampling bias occurs when the sample differs from the population in a meaningful way. This difference can distort study results and lead to inaccurate conclusions.

Funny example of sampling bias

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How to Create a Title | Tips & Tools

A title is the first thing your audience sees when engaging with your work. The purpose of a title is to identify something, whether it’s an essay, article, book, or academic paper.

A strong title can draw your reader in, capturing their interest and making them want to read more—but a bad title might be the only thing they read before moving on.

One of the hardest parts of creating a memorable title is idea generation. QuillBot’s free AI title generator can help you generate dozens of customized title ideas in seconds.

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Purposive Sampling | Definition & Examples

Purposive sampling—also known as judgment sampling—is a non-probability sampling technique. The researcher intentionally selects individuals to study because they possess specific traits or characteristics. In other words, the sample is chosen “on purpose” instead of randomly.

Though purposive sampling can be more convenient and less expensive than other sampling methods, it is heavily susceptible to sampling bias. Purposive sampling is common in qualitative research, particularly in fields like marketing, medical research, and other sciences.

Purposive sampling example
A meal delivery service would like to understand the needs of potential consumers. They put together a focus group that comprises people from different demographics, such as young working professionals, parents with young children, and retirees, to see how people at different stages of life might use their product.

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Population vs Sample | Definitions, Comparison & Formulas

In research, the terms population and sample describe who you are studying. A population is the entire group you care about. A sample is a smaller group of individuals who you actually collect data from to make inferences, or educated guesses, about the population.

Population vs sample example
Elections and election polls highlight the differences between a population and a sample.

Before an election, pollsters can’t survey the whole population (every registered voter). Instead, they collect data from a sample (a small group from the population) to predict the election outcome.

If the sample is representative, it can provide a good guess of how the population will vote. If it’s biased (maybe only certain types of people respond to polls), the sample may give inaccurate results.

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Graduation Messages | 70 Examples, Ideas & Quotes

Graduation marks a huge accomplishment and the start of a new beginning. The perfect graduation message should offer a heartfelt congratulations and best wishes or advice for the future. This article contains examples and ideas to help you write the perfect card for any graduate.

Tip
QuillBot’s free AI random quote generator can give you even more creative sayings and expressions for graduation messages,

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