K. Warner Schaie Books

Adult development and aging

By K. Warner Schaie

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Readings in adult development and aging

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Adult development and aging

By K. Warner Schaie

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Handbook of Psychology of Aging, Fourth Edition

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The Handbook of the Psychology of Aging has become the definitive reference source for information of the psychology of adult development and aging. This new edition reviews recent developments in...

Handbook of Aging and the Social Sciences: Handbook of the Psychology of Aging, Fourth Edition

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Handbook of the Psychology of Aging, Fifth Edition

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Handbook of the Psychology of Aging

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Handbook of the psychology of aging

By K. Warner Schaie

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The Handbook of the Psychology of Aging has become the definitive reference source for information on the psychology of adult development and aging. It provides comprehensive reviews of research on...

Developmental Influences on Adult Intelligence: The Seattle longitudinal study

By K. Warner Schaie

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Intellectual Development in Adulthood: The Seattle Longitudinal Study

By K. Warner Schaie

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The book analyzes the Seattle Longitudinal Study, which Professor Schaie began as a graudate student in the 1950s. The study has been impressive in its methodological sophistication, inclusion of a...

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.