Infrastructure Factors Influence Data Collection Methods

question 15

Multiple Choice

Infrastructure factors influence data collection methods. Which of the following is a false statement regarding international data collection.

• A)Using the telephone book as the sampling frame is problematic because it restricts the sample to landline subscribers, who are likely to differ from the target population.
• B)Saudi Arabia's efficient mail systems encourage the use of mail surveys over phone surveys.
• C)Because most subscribers in low-income countries do not have to pay for phone calls they receive, telephone interviewing is much easier than in the past.
• D)All of the above are true.

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Definitions:

Allosteric Regulation

Control of an enzyme’s activity by a regulatory molecule that binds outside the active site.

Induced Fit

Induced fit is a model that describes how enzymes change shape upon substrate binding, enhancing their ability to perform catalytic activity.

Catalysis

The acceleration of a reaction rate by a molecule that is unchanged by participating in the reaction.

Sodium-Potassium Pump

A membrane-bound transporter enzyme present in many cell (plasma) membranes that pumps sodium out of cells while pumping potassium into cells, thus maintaining the concentration and electrical gradients of these ions.