RECOUP/Qualitative research/Handout on Sampling in Qualitative Research - Revision history

Bjoern: 1 revision: Import and update from manual.recoup.educ.cam.ac.uk, CC BY-NC-SA - RECOUP

2015-02-05T12:14:39Z

1 revision: Import and update from manual.recoup.educ.cam.ac.uk, CC BY-NC-SA - RECOUP

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2015-02-05T12:13:02Z

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2015-02-05T12:09:02Z

Transfer from RECOUP, real timestamp = 2008-09-20T16:16:46Z.Replacing page with '{{Template:RECOUP/Handout}}'

← Older revision		Revision as of 12:09, 5 February 2015
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			{{Template:RECOUP/Handout}}
	<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>		<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>

Bjoern: 1 revision: Import and update from manual.recoup.educ.cam.ac.uk, CC BY-NC-SA - RECOUP

2015-02-05T11:37:17Z

1 revision: Import and update from manual.recoup.educ.cam.ac.uk, CC BY-NC-SA - RECOUP

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Revision as of 11:37, 5 February 2015

Bjoern: Transfer from RECOUP, real timestamp = 2008-09-20T16:16:46Z.Replacing page with '{{Template:RECOUP/Handout}}'

2015-02-05T11:33:02Z

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← Older revision		Revision as of 11:33, 5 February 2015
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	<noinclude>{{RECOUP_header\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude>{{~~handout~~}}		<noinclude>{{RECOUP_header\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude>{{Template:RECOUP/Handout}}
	<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>		<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>

Bjoern: 4 revisions: Import from manual.recoup.educ.cam.ac.uk

2015-02-05T11:16:57Z

4 revisions: Import from manual.recoup.educ.cam.ac.uk

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Revision as of 11:16, 5 February 2015

Bjoern: Replacing page with '{{handout}}'

2008-09-20T16:16:46Z

Replacing page with '{{handout}}'

← Older revision		Revision as of 16:16, 20 September 2008
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	<noinclude>{{RECOUP_header\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude>{{handout}}		<noinclude>{{RECOUP_header\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude>{{handout}}

	~~== Sampling in qualitative research ==~~

	~~Or '''What can you say if you don't have a large random sample?'''~~

	~~"More discoveries have arisen from intense observation than from statistics applied to large groups." (W. I. B. Beveridge, 1951).~~

	# Choosing between large quantitative surveys and small-scale qualitative studies is not '''Either/Or: '''good social science depends on '''Both/And. '''Good social science employs those methods that best help answer a given research question and purpose. Often, a combination of qualitative and quantitative methods will do the task best.
	~~# The advantage of large samples is '''''breadth''''', whereas their problem is one of limited '''''depth'''''. For the case study, the situation is the reverse.~~
	~~# For research using qualitative methods, we are interested in '''depth''', especially for~~
	~~## Issues that are too complex to be covered in a survey or a census~~
	~~## Issues that are too sensitive for a simple question/answer approach~~
	# A random sample may '''not '''the most appropriate strategy, because the typical of average case may not always be the richest in information. Atypical or extreme cases often reveal more about a social issue
	# To clarify the ''deeper causes ''behind a given problem and its consequences than to describe the ''symptoms ''of the problem and how frequently they occur. Rather, we need some deeper insights by spending more time on an issue, and gathering information on the full context in which it occurs.

	~~== Sampling ==~~

	Random and stratified sample are not the only kinds that can be used in social science: '''''quota sampling''''' is often used in market surveys, and '''''strategic sampling''''', or the choice of cases to study, is also common, especially in qualitative projects.


	~~'''Layers of 'Case' in qualitative projects:'''~~

	*
	** Selection of '''''sites''''' for intensive study (e.g. a village or an urban neighbourhood)
	** Selection of '''''households/individuals''''' for collecting contextual information
	** Selection of '''''sample individuals''''' etc for more sustained data collection

	~~'''Most useful for qualitative studies:'''~~



	~~{\| class="prettytable"~~
	~~\| <center>''Type of Strategic Selection''</center>~~
	~~\| <center>''Purpose''</center>~~

	\|-
	\|
	~~\| '''To maximize the utility of information from small samples and single cases. Cases are selected on the basis of expectations about what they can tell us.'''~~

	\|-
	~~\| 1. Extreme/deviant cases~~
	~~\| To obtain information on unusual cases, which can be especially 'problematic' or especially 'good'.~~

	\|-
	~~\| 2. Maximum variation cases~~
	\| To obtain information about the significance of various circumstances for processes and outcome (e.g. three to four cases that are very different on one dimension: e.g. largest, median and smallest size; government, aided, not-for-profit and commercial funding patterns; city, town and rural area).

	\|-
	~~\| 3. Critical cases~~
	\| To test a hypothesis by choosing the case that permits logical deductions of the type, "If this is valid for this case, then it should apply to all cases." Or "If it is not valid for this case, it is unlikely to be valid for any other cases".

	\|}
	<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>		<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>

Bjoern at 20:03, 4 September 2008

2008-09-04T20:03:28Z

← Older revision		Revision as of 20:03, 4 September 2008
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	<noinclude>{{RECOUP_header\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude>{{handout}}		<noinclude>{{RECOUP_header\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude>{{handout}}

			== Sampling in qualitative research ==

			Or '''What can you say if you don't have a large random sample?'''

			"More discoveries have arisen from intense observation than from statistics applied to large groups." (W. I. B. Beveridge, 1951).

			# Choosing between large quantitative surveys and small-scale qualitative studies is not '''Either/Or: '''good social science depends on '''Both/And. '''Good social science employs those methods that best help answer a given research question and purpose. Often, a combination of qualitative and quantitative methods will do the task best.
			# The advantage of large samples is '''''breadth''''', whereas their problem is one of limited '''''depth'''''. For the case study, the situation is the reverse.
			# For research using qualitative methods, we are interested in '''depth''', especially for
			## Issues that are too complex to be covered in a survey or a census
			## Issues that are too sensitive for a simple question/answer approach
			# A random sample may '''not '''the most appropriate strategy, because the typical of average case may not always be the richest in information. Atypical or extreme cases often reveal more about a social issue
			# To clarify the ''deeper causes ''behind a given problem and its consequences than to describe the ''symptoms ''of the problem and how frequently they occur. Rather, we need some deeper insights by spending more time on an issue, and gathering information on the full context in which it occurs.

			== Sampling ==

			Random and stratified sample are not the only kinds that can be used in social science: '''''quota sampling''''' is often used in market surveys, and '''''strategic sampling''''', or the choice of cases to study, is also common, especially in qualitative projects.


			'''Layers of 'Case' in qualitative projects:'''

			*
			** Selection of '''''sites''''' for intensive study (e.g. a village or an urban neighbourhood)
			** Selection of '''''households/individuals''''' for collecting contextual information
			** Selection of '''''sample individuals''''' etc for more sustained data collection

			'''Most useful for qualitative studies:'''



			{\| class="prettytable"
			\| <center>''Type of Strategic Selection''</center>
			\| <center>''Purpose''</center>

			\|-
			\|
			\| '''To maximize the utility of information from small samples and single cases. Cases are selected on the basis of expectations about what they can tell us.'''

			\|-
			\| 1. Extreme/deviant cases
			\| To obtain information on unusual cases, which can be especially 'problematic' or especially 'good'.

			\|-
			\| 2. Maximum variation cases
			\| To obtain information about the significance of various circumstances for processes and outcome (e.g. three to four cases that are very different on one dimension: e.g. largest, median and smallest size; government, aided, not-for-profit and commercial funding patterns; city, town and rural area).

			\|-
			\| 3. Critical cases
			\| To test a hypothesis by choosing the case that permits logical deductions of the type, "If this is valid for this case, then it should apply to all cases." Or "If it is not valid for this case, it is unlikely to be valid for any other cases".

			\|}
	<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>		<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>

Bjoern at 13:38, 4 September 2008

2008-09-04T13:38:22Z

← Older revision		Revision as of 13:38, 4 September 2008
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	<noinclude>{{RECOUP_header\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude>~~[[/~~handout]]		<noinclude>{{RECOUP_header\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude>{{handout}}
	<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>		<noinclude>{{RECOUP_footer\|Qualitative_research/Handout_on_Sampling_in_Qualitative_Research}}</noinclude><noinclude>[[Category:RECOUP]]</noinclude>