Lenny R. Vartanian Books

Perceived femininity and weight as a function of meal size

By Lenny R. Vartanian

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Social Influences on Eating

By Patricia Pliner, C. Peter Herman, Lenny R. Vartanian, Janet Polivy

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Social Influences on Eating

By Patricia Pliner, C. Peter Herman, Lenny R. Vartanian, Janet Polivy

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Judgments of body size based on meal size

By Lenny R. Vartanian

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In four studies, I explored the role of dietary restraint in judgments of body size based on meal size. In Study 1, restrained and unrestrained eaters watched a video of a woman eating either a sma...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.