Why is it important to control extraneous variables (to the best extent possible)?
a. An uncontrolled extraneous variable (variable “X”) can cause doubt as to whether changes in one variable (variable “A”) cause changes in another variable (variable “B”)
b. An uncontrolled extraneous variable (variable “X”) can act as an alternative explanation for the claim that changes in one variable (variable “A”) cause changes in another variable (variable “B”)
c. Uncontrolled extraneous variables rarely have an impact on empirical research and therefore it is not important to carefully control them most of the time
d. Both a and b are correct
Ans: d
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The teacher must see that suspected child abuse is reported because
a. teachers are mandated reporters to protect the child. b. the child should be removed from an abusive home. c. people who hurt a child should be punished. d. the director might not want to report it and lose a customer.
The t test for nonindependent samples is when
a. the two groups tested are randomly formed samples. b. the two groups tested are initially the same on the dependent variable. c. the two groups are formed by preexisting samples. d. matching has been done or in a pre-post design.
In elementary reading, the curriculum development team concentrates on preparing a results-only format. Which of the following determines the accountability of the teacher for the results not the procedures?
a. Classify name, color, shape, and size b. State the story sequence c. Draw a conclusion on the story d. Compare and contrast stories
The feeling of disgust reflects the presence of which moral intuition?
A. Purity/sanctity B. Authority/respect C. Harm/care D. Fairness/reciprocity