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Chemistry is the study of matter and the changes it undergoes. Matter is anything that has mass and occupies space. Matter is all around us; the air, water, soil, mountains, even our bodies are all examples of matter. Matter is divided into three states — solid, liquid, and gas — that are commonly found on earth. The fourth state of matter, plasma, occurs naturally in the interiors of stars. 
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Matter: Pure Substances and Mixtures
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The earliest recorded discussion of the basic structure of matter comes from ancient Greek philosophers. Leucippus and Democritus argued that all matter was composed of small, finite particles that they called atomos, meaning “indivisible.” Later, Aristotle and others came to the conclusion that matter consisted of various combinations of the four “elements” — fire, earth, air, and water — and could be infinitely divided. Interestingly, these philosophers...
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Predictability or controllability: Which matters more for the BCD?

Jeffrey Gassen1, Hannah K Bradshaw1, Randi Proffitt Leyva1

  • 1Psychology Department,Texas Christian University,Fort Worth,TX 76129.j.gassen@tcu.eduh.k.bradshaw@tcu.edur.proffittleyva@tcu.edus.e.hill@tcu.eduhttps://www.sarahehill.com.

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This summary is machine-generated.

Predictability and control are distinct factors influencing outcomes in the behavioral constellation of deprivation (BCD). Understanding predictability

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Area of Science:

  • Psychology
  • Behavioral Science
  • Learning Theory

Background:

  • The behavioral constellation of deprivation (BCD) theory by Pepper & Nettle.
  • The need to differentiate between predictability and control within BCD.

Purpose of the Study:

  • To examine the distinct roles of predictability and control in BCD.
  • To demonstrate how predictability influences BCD outcomes.

Main Methods:

  • Review of prior research in the learning domain.
  • Conceptual analysis of predictability and control constructs.

Main Results:

  • Predictability moderates the impact of control on BCD outcomes.
  • Predictability exerts an independent influence on BCD-relevant outcomes.

Conclusions:

  • Differentiating predictability and control offers a more nuanced understanding of BCD.
  • Predictability is a key factor in behavioral outcomes related to deprivation.