Homework Help: scientist

Posted by kaity on Monday, November 23, 2009 at 5:57pm.

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in running through a maze. They were trained by giving them a mild electric shock whenever they took a wrong turn. Immediately after each learning session, one group of mice was fed, but the other was not, A week later, all of the mice were tested to see whether they could still run the maze correctly. The group that had been fed had retained this ability, but the other group had not. The probable reason that the scientists used only mice from the same pure-bred strain is so that?

scientific experimentation - PsyDAG, Monday, November 23, 2009 at 11:19pm
This is to minimize the effects of genetics that might exist between different strains of mice.

If the one group of mice had not been fed in 10 days, I can see that as a possible explanation for why they did not do as well, beside the possible effects of food as a reinforcer.

I hope this helps.

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