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<h2 class="hd hd-2 unit-title">Video</h2>
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<p><span style="text-rendering: optimizeLegibility; margin: 0px; padding: 0px; border: 0px; outline: 0px; font-variant-numeric: inherit; font-stretch: inherit; line-height: 25.6px; font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; vertical-align: baseline;"><strong style="text-rendering: optimizeLegibility; margin: 0px; padding: 0px; border: 0px; outline: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; font-size: inherit; line-height: 25.6px; font-family: 'Open Sans', Verdana, Arial, Helvetica, sans-serif; vertical-align: baseline;">Note:</strong><span style="text-rendering: optimizeLegibility; margin: 0px; padding: 0px; border: 0px; outline: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: 25.6px; font-family: 'Open Sans', Verdana, Arial, Helvetica, sans-serif; vertical-align: baseline;"> </span>After watching the video below, please m</span><span style="text-rendering: optimizeLegibility; margin: 0px; padding: 0px; border: 0px; outline: 0px; font-variant-numeric: inherit; font-stretch: inherit; line-height: 25.6px; font-family: 'Open Sans', Verdana, Geneva, sans-serif, sans-serif; vertical-align: baseline;">ake sure to also complete the quiz for this module by clicking on the arrow at the bottom, or via the navigation ribbon above.</span></p>
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<h3 class="hd hd-4 downloads-heading sr" id="video-download-transcripts_eb9ab6f9aba64240ad41b38f4451e647">Downloads and transcripts</h3>
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<h4 class="hd hd-5">Video</h4>
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Download video file
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<h4 class="hd hd-5">Transcripts</h4>
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<a class="btn btn-link" href="/courses/course-v1:MITx+JPAL350x+3T2020/xblock/block-v1:MITx+JPAL350x+3T2020+type@video+block@eb9ab6f9aba64240ad41b38f4451e647/handler/transcript/download" data-value="srt">Download SubRip (.srt) file</a>
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<h2 class="hd hd-2 unit-title">Quiz</h2>
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Question 1
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<p>Coverage error occurs when</p>
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Question 2
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<p>A sampling frame</p>
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<input type="radio" name="input_5f34f49086dc437e86d4f209db1ea863_2_1" id="input_5f34f49086dc437e86d4f209db1ea863_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="5f34f49086dc437e86d4f209db1ea863_2_1-choice_0-label" for="input_5f34f49086dc437e86d4f209db1ea863_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_5f34f49086dc437e86d4f209db1ea863_2_1"> Is a list of all of the individuals sampled for your study
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</div>
<div class="field">
<input type="radio" name="input_5f34f49086dc437e86d4f209db1ea863_2_1" id="input_5f34f49086dc437e86d4f209db1ea863_2_1_choice_1" class="field-input input-radio" value="choice_1"/><label id="5f34f49086dc437e86d4f209db1ea863_2_1-choice_1-label" for="input_5f34f49086dc437e86d4f209db1ea863_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_5f34f49086dc437e86d4f209db1ea863_2_1"> Is the sampling methodology
</label>
</div>
<div class="field">
<input type="radio" name="input_5f34f49086dc437e86d4f209db1ea863_2_1" id="input_5f34f49086dc437e86d4f209db1ea863_2_1_choice_2" class="field-input input-radio" value="choice_2"/><label id="5f34f49086dc437e86d4f209db1ea863_2_1-choice_2-label" for="input_5f34f49086dc437e86d4f209db1ea863_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_5f34f49086dc437e86d4f209db1ea863_2_1"> Is a list of all of the individuals in the target population
</label>
</div>
<div class="field">
<input type="radio" name="input_5f34f49086dc437e86d4f209db1ea863_2_1" id="input_5f34f49086dc437e86d4f209db1ea863_2_1_choice_3" class="field-input input-radio" value="choice_3"/><label id="5f34f49086dc437e86d4f209db1ea863_2_1-choice_3-label" for="input_5f34f49086dc437e86d4f209db1ea863_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_5f34f49086dc437e86d4f209db1ea863_2_1"> Can be affected by non-response error
</label>
</div>
<span id="answer_5f34f49086dc437e86d4f209db1ea863_2_1"/>
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Question 3
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<p>Non-response error </p>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_bb898a9dff4a4bc796c29aa773c683b0_2_1">
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<input type="radio" name="input_bb898a9dff4a4bc796c29aa773c683b0_2_1" id="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="bb898a9dff4a4bc796c29aa773c683b0_2_1-choice_0-label" for="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_bb898a9dff4a4bc796c29aa773c683b0_2_1"> Can be reduced by making multiple contact attempts with the respondent on different days and times
</label>
</div>
<div class="field">
<input type="radio" name="input_bb898a9dff4a4bc796c29aa773c683b0_2_1" id="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_1" class="field-input input-radio" value="choice_1"/><label id="bb898a9dff4a4bc796c29aa773c683b0_2_1-choice_1-label" for="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_bb898a9dff4a4bc796c29aa773c683b0_2_1"> Is a problem if non-respondents differ from respondents
</label>
</div>
<div class="field">
<input type="radio" name="input_bb898a9dff4a4bc796c29aa773c683b0_2_1" id="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_2" class="field-input input-radio" value="choice_2"/><label id="bb898a9dff4a4bc796c29aa773c683b0_2_1-choice_2-label" for="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_bb898a9dff4a4bc796c29aa773c683b0_2_1"> Can occur when people decline to participate in the survey
</label>
</div>
<div class="field">
<input type="radio" name="input_bb898a9dff4a4bc796c29aa773c683b0_2_1" id="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_3" class="field-input input-radio" value="choice_3"/><label id="bb898a9dff4a4bc796c29aa773c683b0_2_1-choice_3-label" for="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_bb898a9dff4a4bc796c29aa773c683b0_2_1"> All of the above
</label>
</div>
<div class="field">
<input type="radio" name="input_bb898a9dff4a4bc796c29aa773c683b0_2_1" id="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_4" class="field-input input-radio" value="choice_4"/><label id="bb898a9dff4a4bc796c29aa773c683b0_2_1-choice_4-label" for="input_bb898a9dff4a4bc796c29aa773c683b0_2_1_choice_4" class="response-label field-label label-inline" aria-describedby="status_bb898a9dff4a4bc796c29aa773c683b0_2_1"> None of the above
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<span id="solution_bb898a9dff4a4bc796c29aa773c683b0_solution_1"/>
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Question 4
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<p>Measurement error is</p>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_0d3448fadaa04621b00c05ae1d28ffd1_2_1">
<fieldset aria-describedby="status_0d3448fadaa04621b00c05ae1d28ffd1_2_1">
<div class="field">
<input type="radio" name="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1" id="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="0d3448fadaa04621b00c05ae1d28ffd1_2_1-choice_0-label" for="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_0d3448fadaa04621b00c05ae1d28ffd1_2_1"> The same as non-response error
</label>
</div>
<div class="field">
<input type="radio" name="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1" id="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1_choice_1" class="field-input input-radio" value="choice_1"/><label id="0d3448fadaa04621b00c05ae1d28ffd1_2_1-choice_1-label" for="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_0d3448fadaa04621b00c05ae1d28ffd1_2_1"> Occurs when the response given differs from the true value
</label>
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<div class="field">
<input type="radio" name="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1" id="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1_choice_2" class="field-input input-radio" value="choice_2"/><label id="0d3448fadaa04621b00c05ae1d28ffd1_2_1-choice_2-label" for="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_0d3448fadaa04621b00c05ae1d28ffd1_2_1"> A rare occurrence
</label>
</div>
<div class="field">
<input type="radio" name="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1" id="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1_choice_3" class="field-input input-radio" value="choice_3"/><label id="0d3448fadaa04621b00c05ae1d28ffd1_2_1-choice_3-label" for="input_0d3448fadaa04621b00c05ae1d28ffd1_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_0d3448fadaa04621b00c05ae1d28ffd1_2_1"> Is always due to random error
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<span id="answer_0d3448fadaa04621b00c05ae1d28ffd1_2_1"/>
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Question 5
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<p>Which of the following is an error due to the measurement instrument? </p>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_cc421b4750484bd19887d2033591aec5_2_1">
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<div class="field">
<input type="radio" name="input_cc421b4750484bd19887d2033591aec5_2_1" id="input_cc421b4750484bd19887d2033591aec5_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="cc421b4750484bd19887d2033591aec5_2_1-choice_0-label" for="input_cc421b4750484bd19887d2033591aec5_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_cc421b4750484bd19887d2033591aec5_2_1"> An enumerator reads the question in a questionnaire incorrectly
</label>
</div>
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<input type="radio" name="input_cc421b4750484bd19887d2033591aec5_2_1" id="input_cc421b4750484bd19887d2033591aec5_2_1_choice_2" class="field-input input-radio" value="choice_2"/><label id="cc421b4750484bd19887d2033591aec5_2_1-choice_2-label" for="input_cc421b4750484bd19887d2033591aec5_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_cc421b4750484bd19887d2033591aec5_2_1"> Response options for a question are missing relevant options
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<h3 class="hd hd-3 problem-header" id="ed612eb5a9674a6580c791d39444606c-problem-title" aria-describedby="block-v1:MITx+JPAL350x+3T2020+type@problem+block@ed612eb5a9674a6580c791d39444606c-problem-progress" tabindex="-1">
Question 6
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<p>Regarding measurement error</p>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_ed612eb5a9674a6580c791d39444606c_2_1">
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<input type="radio" name="input_ed612eb5a9674a6580c791d39444606c_2_1" id="input_ed612eb5a9674a6580c791d39444606c_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="ed612eb5a9674a6580c791d39444606c_2_1-choice_0-label" for="input_ed612eb5a9674a6580c791d39444606c_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_ed612eb5a9674a6580c791d39444606c_2_1"> Validity is primarily affected by random error
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<input type="radio" name="input_ed612eb5a9674a6580c791d39444606c_2_1" id="input_ed612eb5a9674a6580c791d39444606c_2_1_choice_1" class="field-input input-radio" value="choice_1"/><label id="ed612eb5a9674a6580c791d39444606c_2_1-choice_1-label" for="input_ed612eb5a9674a6580c791d39444606c_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_ed612eb5a9674a6580c791d39444606c_2_1"> Social desirability bias refers to errors that are related to the ability of the respondent to provide accurate information about behaviors or events that occurred in the past
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<input type="radio" name="input_ed612eb5a9674a6580c791d39444606c_2_1" id="input_ed612eb5a9674a6580c791d39444606c_2_1_choice_2" class="field-input input-radio" value="choice_2"/><label id="ed612eb5a9674a6580c791d39444606c_2_1-choice_2-label" for="input_ed612eb5a9674a6580c791d39444606c_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_ed612eb5a9674a6580c791d39444606c_2_1"> Recall bias can be minimized by using short recall periods
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<input type="radio" name="input_ed612eb5a9674a6580c791d39444606c_2_1" id="input_ed612eb5a9674a6580c791d39444606c_2_1_choice_3" class="field-input input-radio" value="choice_3"/><label id="ed612eb5a9674a6580c791d39444606c_2_1-choice_3-label" for="input_ed612eb5a9674a6580c791d39444606c_2_1_choice_3" class="response-label field-label label-inline" aria-describedby="status_ed612eb5a9674a6580c791d39444606c_2_1"> It mainly arises from two sources: the enumerator and the respondent
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Question 7
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<p>To minimize measurement errors related to enumerators</p>
<div class="wrapper-problem-response" tabindex="-1" aria-label="Question 1" role="group"><div class="choicegroup capa_inputtype" id="inputtype_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1">
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<input type="radio" name="input_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1" id="input_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1_choice_0" class="field-input input-radio" value="choice_0"/><label id="fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1-choice_0-label" for="input_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1_choice_0" class="response-label field-label label-inline" aria-describedby="status_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1"> Regular supervision and evaluation are important
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<input type="radio" name="input_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1" id="input_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1_choice_1" class="field-input input-radio" value="choice_1"/><label id="fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1-choice_1-label" for="input_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1_choice_1" class="response-label field-label label-inline" aria-describedby="status_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1"> Intra- and inter-observer variability exercises allow assessment of the level of measurement error within the team.
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<input type="radio" name="input_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1" id="input_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1_choice_2" class="field-input input-radio" value="choice_2"/><label id="fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1-choice_2-label" for="input_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1_choice_2" class="response-label field-label label-inline" aria-describedby="status_fe47346d8b8b4cfdbbb3fbdda30bc7fc_2_1"> Appropriate training including field practice is essential to ensure sufficient enumerator capacity
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