<h1>&nbsp;</h1> <div class="toc-about clearfix"> <h1><a href="http://many.at/links2tabs" class="header">Psychology - психологія 心理学 psychologie 心理學 ψυχολογία psychologia मनोविज्ञान pszichológia உளவியலாளர்கள் psicologia మానసిక నిపుణులు 심리학 psykologi tâm lý học psikoloji психология psicólogos علم النفس psicología פסיכולוגיה</a></h1><p>References 1 - 5 for Less structure good for kids&#039; development</p> </div><!-- class="about clearfix" --><h1>&nbsp;</h1> <div id="mysitesnoframes" class="sites_content"><ul> <li><a rel="nofollow" href="http://journal.frontiersin.org/Journal/10.3389/fpsyg.2014.00593/abstract" ><img src="/wp-content/images/icons/32/globe2.png" width="32" height="32" /><strong>[1] study</strong>journal.frontiersin.org</a></li> <li><a rel="nofollow" href="http://www.bps.org.uk/news/free-play-can-boost-childrens-social-success" ><img src="/wp-content/images/icons/32/globe3.png" width="32" height="32" /><strong>[2] here</strong>bps.org.uk</a></li> <li><a rel="nofollow" href="https://www.bps.org.uk/user/login" ><img src="/wp-content/images/icons/32/globe4.png" width="32" height="32" /><strong>[3] sign in</strong>bps.org.uk</a></li> <li><a rel="nofollow" href="http://www.bps.org.uk/what-we-do/benefits-belonging/membership/membership" ><img src="/wp-content/images/icons/32/globe5.png" width="32" height="32" /><strong>[4] join</strong>bps.org.uk</a></li> <li><a rel="nofollow" href="http://www.thepsychologist.org.uk/" ><img src="/wp-content/images/icons/32/globe6.png" width="32" height="32" /><strong>[5] The Psychologist</strong>thepsychologist.org.uk</a></li> </ul></div> Your browser does not handle frames, which are required to view the sites in tabs. Please upgrade to a more modern browser.<br /><br />