I do not really agree that the main reson why trader's lossing was because his/her bad analysis. In fact, many times, even with a good analysis we can still get any wrong position and fail trades. I think this is more about "timing" factor, unclear observation and unpatience a trade when he/she saw an entry signal. Mny times, a fail trader already done a good analysis, but without any clear confirmation, he/she just jump into the market.