April - June and Late Oct can be a good time to visit Phu Quoc with less crowds, cheaper prices and fairly good odds of reasonable weather. You will find that April and May are the hottest months with temperatures reaching 35 degrees and humidity around 80% to 85%.
Psychology as a self-conscious field of experimental study began in 1879, when Wilhelm Wundt founded the first laboratory dedicated exclusively to psychological research in Leipzig, Germany. Wundt was also the first person to refer to himself as a psychologist.
In 1875, Wundt moved to Leipzig. In 1879, at the University of Leipzig, Wundt opened the first laboratory ever to be exclusively devoted to psychological studies, and this event marked the official birth of psychology as an independent field of study.n doing so, he was able to establish psychology as a separate science from other topics. He also formed the first academic journal for psychological research, Philosophische Studien, in the year 1881. Wundt concentrated on three areas of mental functioning; thoughts, images and feelings.