Answer: (C) The placebo effect
Explanation:
The placebo effect is one of the type of treatment that is specifically designed for control all the therapeutic values and this effect is basically works on the various types of symptoms that is generated by our brain.
It includes the various types of procedures, inert injections and the tablets. The researcher utilized various types of placebo effect controlling system so that they can easily assess our memory.
According to the given question, the given situation is due to the placebo effect as they can easily determine the quantity of caffeine in the memory.
Therefore, Option (C) is correct.
There are actually two European Countries that has the biggest influence. Those two Countries are Germany and Italy, that’s because those are the most powerful countries in the bloc, holding incredible influence over other states.
Answer: Egocentrism
Explanation: A individual can be said to possess adolescent Egocentrism one's such individual begins to develop idea or though that other are paying huge attention to them, usuay in terms of appearance or behavior. It mostly develops in adolescent and at this point such individual finds it difficult to distinguish between what their own perceived thought of others about them and the actual thought of the people. Individual's who exhibit adolescent Egocentrism are usually consumed by perceived thought rather than reality or the actual thought oeolm e have about them. They do feel people are watching and focusing on them at all times because they possess something special.
if an independent-measures study uses n = 15 participants in each group to compare two treatment conditions. then 28 is the df value for the t statistic for this study.
The t-statistic, which is used in statistics, measures how far a parameter's estimated value deviates from its hypothesised value relative to its standard error. Through the Student's t-test, it is utilised in hypothesis testing. In a t-test, the t-statistic is used to decide whether to accept or reject the null hypothesis. The t-statistic is used when the sample size is small or the population standard deviation is unknown. It is quite similar to the z-score in other respects. Once the standard deviation is unknown, the t-statistic is in use, for one, to approximate the population mean from a sampling distribution of sample statistics.
Learn more about the t statistic here:
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