Exercise 1. The way to distinguish the difference between the explanatory and response variables is by asking, “Which statement makes sense?” Does A cause B? B should be in response to the explanatory A. For example, A researcher wants to examine whether babies fed on breast milk are more or less likely to be ill. Statement 1: Feeding a baby on breast milk causes resistance to disease. Statement 2: Resistance to disease causes a baby to feed on breast milk. Identify which variable is the explanatory (A) and which is the response: presence or absence of breast milk; resistance to disease Exercise 2. In each part below, identify the explanatory and response variables. (a) An experiment was conducted to test the effects of sleep deprivation on human response times. (b) Researcher Penny Gordon Larson and her associate wanted to determine whether young couples who marry or cohabitate are more likely to gain weight than those who stay single
Exercise 1. The way to distinguish the difference between the explanatory and response variables is by asking, “Which
statement makes sense?” Does A cause B? B should be in response to the explanatory A. For example, A researcher wants to
examine whether babies fed on breast milk are more or less likely to be ill.
Statement 1: Feeding a baby on breast milk causes resistance to disease.
Statement 2: Resistance to disease causes a baby to feed on breast milk.
Identify which variable is the explanatory (A) and which is the response: presence or absence of breast milk; resistance to disease
Exercise 2. In each part below, identify the explanatory and response variables.
(a) An experiment was conducted to test the effects of sleep deprivation on human response times.
(b) Researcher Penny Gordon Larson and her associate wanted to determine whether young couples who marry or cohabitate
are more likely to gain weight than those who stay single.
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