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Through understanding of the theory of the experiment, and of appropriate experimental techniques. Methodical approach. Care in measuring, including calibration of measuring-instruments when necessary. Repeatability - possibly many times if obtaining precise measurements is difficult, with those difficulties identified and understood. Careful analysis of the results to identify any misleading values.
You apply a measuring stick or a measuring tape.You apply a measuring stick or a measuring tape.You apply a measuring stick or a measuring tape.You apply a measuring stick or a measuring tape.
You need different tools these measurements. For mass you want a scale or balance. You can only use the same tool for length and volume (a ruler, caliper or similar) if the object you are measuring is a well defined solid with known geometric shape. Otherwise you will have to perform a measuring experiment for example put the object you want to determine the volume of in a graduated cylinder, pour a known volume of liquid into the cylinder, read the volume and subtract to determine the object's volume.
Yes.
A piece of string and a ruler or tape measure.
When one of the confederates didn't agree :)
Solomon Asch conducted a famous experiment in which he demonstrated that people's judgments are heavily influenced by the judgments of others.
Often went along with the group and picked the wrong line
Conformity
that a person could be influenced to say the wrong opinion due to peer pressure
The Solomon Asch experiments were designed to interpret the power of conformity and social influence. The experiment was set up with confederates and the true test subject answering non subjective questions in series. As the experiment advanced, the confederates, gave a mixture of pre-arranged answers that were meant to influence the true subject.
It would be pointless doing the experiment and not measuring accurately
Ricardo Asch's birth name is Ricardo Hector Asch.
Adolph von Asch zu Asch auf Oberndorff was born in 1839.
Adolph von Asch zu Asch auf Oberndorff died in 1906.
Independent variable: Number of confederates providing the wrong answer Dependent variable: Level of conformity
Because of group pressure, most people are willing to say things they know are not true.