Which of the following illustrates the first step in critical thinking?

Which of the following illustrates the first step in critical thinking?
 
  A) rereading directions while assembling a new gas grill
  B) examining relevant past experiences to determine new courses of action
  C) devising an outline for an essay
  D) using the Internet to research a controversial issue

Ques. 2

In drug trials, those who do not receive test drugs are the
 
  A) independent variables.
  B) dependent variables.
  C) experimental group.
  D) control group.

Ques. 3

Which of the following is an example of observational research?
 
  A) using the case study method
  B) studying subjects via hidden cameras
  C) exposing subjects to variables
  D) examining media to extract data concerning cultural patterns

Ques. 4

Viewers who respond to a television news program via the Internet make up a
 
  A) representative sample.
  B) stratified random sample.
  C) nonrepresentative sample.
  D) stratified nonrepresentative sample.

Ques. 5

The belief that one's culture, language and values are superior to all others is known as
 
  A) ethnocentrism.
  B) heterosexism.
  C) cultural relativity.
  D) neutrality.