A team of researchers (Singer et al., 2000) used the Survey of Consumer Attitudes to investigate whether incen- ives would improve the response rates on telephone surveys. A national sample of 735 households was randomly selected, and all 735 of the households were sent an "advance letter" explaining that the household would be contacted shortly for a telephone survey. However, 368 households were randomly assigned to receive a monetary incentive along with the ad- rance letter, and the other 367 households were assigned to receive only the advance letter. Here are the data on how nany households responded to the telephone survey.

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**Exploring Incentives in Survey Response Rates**

**Introduction:**
A study conducted by researchers (Singer et al., 2000) employed the Survey of Consumer Attitudes to analyze the impact of incentives on telephone survey response rates. The research involved a random national sample of 735 households, each receiving an "advance letter" indicating an impending telephone survey contact.

**Study Design:**
- The households were divided into two groups:
  - **368 households** received a monetary incentive along with the advance letter.
  - **367 households** only received the advance letter.

**Objective:**
The purpose was to determine if the monetary incentive would lead to a higher response rate in the telephone survey.

**Findings:**
The table below presents the data on households' responses:

|| **Received an incentive?** ||||
|-----------------|----------|--------|-------|
| | **Yes** | **No** | **Total** |
| **Responded to the telephone survey?** | | | |
| **Yes** | 286 | 245 | 531 |
| **No** | 82 | 122 | 204 |
| **Total** | 368 | 367 | 735 |

**Analysis:**
- Of the households given an incentive, 286 responded, while 82 did not.
- Of the households not given an incentive, 245 responded, while 122 did not.
  
This study provides valuable insight into how monetary incentives can potentially enhance participation rates in surveys, crucial for collecting more comprehensive and reliable data.
Transcribed Image Text:**Exploring Incentives in Survey Response Rates** **Introduction:** A study conducted by researchers (Singer et al., 2000) employed the Survey of Consumer Attitudes to analyze the impact of incentives on telephone survey response rates. The research involved a random national sample of 735 households, each receiving an "advance letter" indicating an impending telephone survey contact. **Study Design:** - The households were divided into two groups: - **368 households** received a monetary incentive along with the advance letter. - **367 households** only received the advance letter. **Objective:** The purpose was to determine if the monetary incentive would lead to a higher response rate in the telephone survey. **Findings:** The table below presents the data on households' responses: || **Received an incentive?** |||| |-----------------|----------|--------|-------| | | **Yes** | **No** | **Total** | | **Responded to the telephone survey?** | | | | | **Yes** | 286 | 245 | 531 | | **No** | 82 | 122 | 204 | | **Total** | 368 | 367 | 735 | **Analysis:** - Of the households given an incentive, 286 responded, while 82 did not. - Of the households not given an incentive, 245 responded, while 122 did not. This study provides valuable insight into how monetary incentives can potentially enhance participation rates in surveys, crucial for collecting more comprehensive and reliable data.
**Transcription:**

c. What are the variables recorded? For each variable, identify the type of the variable (categorical or quantitative) and the role of the variable (explanatory or response).

d. Did the study involve random sampling? If yes, what is the advantage of a randomly selected sample? If no, what is the disadvantage?
Transcribed Image Text:**Transcription:** c. What are the variables recorded? For each variable, identify the type of the variable (categorical or quantitative) and the role of the variable (explanatory or response). d. Did the study involve random sampling? If yes, what is the advantage of a randomly selected sample? If no, what is the disadvantage?
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