Posted: March 2nd, 2017
Choose one of the statements below and use one or more of the tests provided in the textbook to evaluate the quality of the hypothesis. Identify the hypothesis in the statement, and then say why it is or is not a good one.
According to the textbook, a hypothesis is “a causal explanation offered for further investigation or testing.” The book provides several methods for testing the quality of a hypothesis. Choose one of the statements below and use one or more of the tests provided in the textbook to evaluate the quality of the hypothesis. Identify the hypothesis in the statement, and then say why it is or is not a good one.
- There were objects flying everywhere in that room. Either an earthquake or ghosts could have made those objects move. Since there was no earthquake reported, it must have been ghosts.
- Crop circles are complicated, symmetrical designs formed in grain fields through depressing grain stalks. Because of their complexity and symmetry, they cannot be natural phenomena. These crop circles appear overnight. Since it would take far too long and too much complex planning for one or two people to make these designs, which can be seen only from above, aliens from outer space must be making them.
- The other day, I was walking in the mall and suddenly remembered an old school friend whom I had not spoken to in years. Not five minutes later, there I was face to face with my old friend. There must have been some deep karmic connection that drew us together that day.
- Studies show that families who regularly eat their meals together have children who perform better than average at school. Clearly, communal family meals are essential to student success.