THE+RET+TEST

Back to HOME > IB TOK > REASON > INDUCTIVE REASONING =RELEVANT - ENOUGH - TRUE= [|RET test.docx] ** The R-E-T test for Relevant, Enough and True evidence? **

Identify the evidence and the conclusion, then: 1. Is the evidence **Relevant** for supporting such a conclusion? Is the evidence offered **//relevant//** to the conclusion drawn? If yes, continue. 2. Is there **//Enough//** evidence to warrant accepting the conclusion? 3. Are the reasons **//True//**? A strong argument will have strong premises. If all three answers are ‘yes’, the conclusion is well supported. ** EXERCISE ** // For each argument below, what is the evidence for the conclusion? // // Consider the evidence and apply R-E-T to test how strong it is. // // Is the argument deductive, inductive or something else? // All men are mortal Socrates is a man Therefore Socrates is mortal Iron expands when heated Copper expands when heated Iron and Copper are both metals Therefore all metals expand when heated

The dog next door has never bitten me before Therefore I am confident that he will not bite me today

Every time you eat shrimp, you get cramps. Therefore you get cramps because you eat shrimp.

Russians are tall Mikhail is tall. Therefore Mikhail is Russian

When chimpanzees are exposed to rage, they tend to become violent. Humans are similar to chimpanzees, and therefore they tend to get violent when exposed to rage.

The woman in the neighboring apartment has a shrill voice. I can hear a shrill voice from outside, Therefore the woman in the neighboring apartment is shouting.

I always jump the red light, therefore everybody jumps the red light.

Every life form that everyone knows of depends on liquid water to exist. Therefore, all life must depend on liquid water to exist.