YouTube partners see a 50% income augment year over year Simply Measured, 2016 tweet126. YouTube video uploads timed with a product release or assertion see better results than scheduled and nuanced content material Simply Measured, 2016 tweet127. One quarter of YouTube users have watched a branded video in the last month Global Web Index, 2016 tweet128. There are about 200 million month-to-month lively clients at the Pinterest platform Statista, 2017 tweet129. There are 176 million registered Pinterest bills TechCrunch, 2015 tweet130. Pinterest saw a 97% increase in lively users in 2015 over 2014 Global Web Index, 2015 tweet131. chi square test, Mann–Whitney test, Wilcoxon signed rank test, or Kruskal–Wallis test. Parametric analysis of usual averages of Likert scale data is also justifiable by the Central Limit Theorem, even though some might disagree that normal averages should be used for Likert scale data. Responses to a few Likert questions may be summed, offering that every one questions use an identical Likert scale and that the scale is a defendable approximation to an interval scale, through which case they could also be treated as period data measuring a latent variable. If the summed responses satisfy these assumptions, parametric statistical assessments such because the analysis of variance could be utilized. These could be utilized only when more than 5 Likert questions are summed. Data from Likert scales are often decreased to the nominal level by combining all agree and disagree responses into two categories of “accept” and “reject”.