Which of the following statements is FALSE?

Simple opening questions engage the respondent and obtain initial cooperation

Funnelling questions from broad to narrow allows for more accurate responses

Difficult or sensitive questions should be presented towards the start of a questionnaire as a foot in door technique

Branching questions can be used to increase the relevance of responses for specific groups of respondents

A researcher is seeking a representative sample (of size n=50) of Fortune magazine's list of the 500 largest industrial corporations. She randomly decides to begin at company number 4 and then select every 10th company until 50 have been selected. The researcher is using what type of sampling plan?

Stratified sampling

Simple random sampling

Judgment sampling

Convenience sampling

Systematic sampling

Which of the following statements regarding the nature of experiments is NOT true?

In experimentation, the researcher's goal is to determine whether the experimental treatment is the cause of the effect being measured

Experimental research allows the researcher to manipulate the extraneous variables while holding all other variables constant

Experimental research allows the investigator to control the research situation, so that causal relationships among variables may be evaluated

Events may be controlled in an experiment to a degree not possible in a survey

The key to an effective focus group is...

None of the above

participants' prior familiarity with each other

members experienced in focus group participation

the skills of the moderator

an appropriate location