º»¹®/³»¿ë
_SLIDE_1_
Marketing
Household survey panels
How much do following rules
affect sample size?
_SLIDE_2_
Purpose-¿¬±¸¸ñÀû
°¡Á¤ÆÐ³ÎÁ¶»ç
(Household Panel Survey)
ÆÐ³Î Á¶»ç
-Á¶»ç´ë»óÀ» °íÁ¤½Ã۰í,
µ¿ÀÏÇÑ Á¶»ç´ë»ó¿¡ ´ëÇÏ¿© µ¿ÀÏÁú¹®À»
¹Ýº¹ ½Ç½ÃÇÏ¿© Á¶»çÇÏ´Â ¹æ¹ý
_SLIDE_3_
Purpose-¿¬±¸¸ñÀû
óÀ½ Á¶»ç ´ë»óÀ» ¼±Á¤ÇÏ´Â °Í
»ùÇøµ (Sampling)
»ùÇøµ µÈ »ç¶÷
»ùÇøµ µÈ
°³ÀÎÀÌ ÀÖ´Â
°¡Á¤ÀÇ °¡Á· ±¸¼º¿ø ¸ðµÎ°¡
Á¶»ç´ë»óÀÚ°¡ µÈ´Ù
_SLIDE_4_
Purpose-¿¬±¸¸ñÀû
°¡Á·´ÜÀ§ÀÇ Á¶»ç°¡ ¹Þ´Â ¿µÇâ
½Ã°£ÀÌ Áö³²¿¡ µû¶ó °¡Á· ±¸¼º¿øÀÌ
º¯ÇÒ ¼ö ÀÖÀ½
(2) Á¶»ç´ë»óÀ¸·Î ¼±Åà µÈ Àα¸ÀÇ ¼ö°¡
À̹ÎÀ» °¡°Å³ª À̹ÎÀ» ¿À´Â °æ¿ì,
ž°Å³ª Á×À» °æ¿ì¿¡ µû¶ó¼ º¯ÇÔ
_SLIDE_5_
Purpose-¿¬±¸¸ñÀû
»õ·Î
µé¾î¿Â °¡Á·
±¸¼º¿ø
Á¶»ç´ë»óÀÚ¿¡
Æ÷ÇÔ ½ÃŲ´Ù
ÀÌÅ»ÇÑ
°¡Á·
±¸¼º¿ø
Á¶»ç´ë»óÀÚ¡¦(»ý·«)
1. ÃÖÃÊÀÀ´äÀÚ
2. Àû¾îµµ ºÎ¸ð Áß 1¸íÀº PSMÀÎ
3. ÃÖ±Ù À̹ÎÀÚ
4. ¾ÆÀ̸¦ °¡Áø ¹è¿ìÀÚ
5. ¾ÆÀ̰¡ ¾ø´Â ¹è¿ìÀÚ
6. ³ª¸ÓÁö ÀÌÀ¯·Î ÀÎÇØ µé¾î¿Â °¡±¸µé
³ä
Á¶»çÀÀ´äÀÚ°¡ ÇØ¿Ü·Î À̹ÎÀ» °¬´Ù°¡ ´Ù½Ã ¿À´Â °æ¿ì
ÀνÄÇϱâ Èûµé´Ù
±×·¯³ª Á¶»ç°¡ ³¡³ª±â Àü¿¡ µ¹¾Æ¿Â´Ù¸é
À̹Π¿Â »ç¶÷ÀÇ ¹üÀ§¿¡ µé¾î°¡´Â °ÍÀÌ ¾Æ´Ï¶ó
ÃʱâÀÀ´äÀÚ¿¡ Æ÷ÇÔÀÌ µÈ´Ù
¶ÇÇÑ,
ºÎºÎ³ª µ¿°ÅÀÚµé,
ÀÔ¾ç¾Æ¿Í Ä£Àڽİ£ÀÇ ±¸º°Àº ¾ø´Ù
_SLIDE_14_
Hypothesis-°¡¼³
Sample Size Example
_SLIDE_15_
Hypothesis-°¡¼³
Following RulesÀÇ 6°¡Áö ¹üÀ§
1. ÃÖÃÊÀÀ´äÀÚ(Initial Wave)
2. +1ÀÇ ÀÚ³à(Birth)
3. +À̹ÎÀÚ(À¯ÀÔ) (Recent Immigrant)
4. +¹è¿ìÀÚ(ÀÚ³à ÀÖÀ½) (Partner with PSM child)
5. +¹è¿ìÀÚ(ÀÚ³à ¾øÀ½) (Partner w/o PSM child)
6. +³ª¸ÓÁö ÀÀ´äÀÚ ¸ðµÎ(Everyone)
±¸ºÐÀº ´õ¿í ¿øÃÊÀûÀÎ ´Ü°è·Î ºÐ·ùÇÔ
_SLIDE_16_
Hypothesis-°¡¼³
´Ù¾çÇÑ Following rulesÀÇ Ã¤ÅÃÀº
sample size¸¦ º¯È½ÃŲ´Ù.
Following rules
1. ÃÖÃÊÀÀ´äÀÚ
2. + 1ÀÇ ÀÚ³à/ÀÔ¾ç
3. + À̹ÎÀÚ(À¯ÀÔ)
4. + ¹è¿ìÀÚ(ÀÚ³à ÀÖÀ½)
5. + ¹è¿ìÀÚ(ÀÚ³à ¾øÀ½)
6. ³ª¸ÓÁö ÀÀ´äÀÚ
Sample Size 1
Sample Size 2
Sample Size #.......
_SLIDE_17_
Method-¹æ¹ý·Ð Part.1
Sample size = following rules¸¦ µû¸£´Â °³ÀÎÀÌ ÃÖ¼ÒÇÑ
ÇÑ ¸íÀÌ¶óµµ ¼ÓÇÑ °¡±¸ÀÇ ÃÑ Àοø¼ö
Figure1.
°³ÀÎÀÇ ¼ö
Figure2.
»ùÇûçÀÌÁî
_SLIDE_18_
Method-¹æ¹ý·Ð Part.1
Narrower following rules = °¡±¸ÀÇ ÃÑ Àοø¼ö°¡ °¡Á·±¸¼º¿ø Áß Á¦ÀÏ ¿øÃÊÀûÀÎ ½ÅºÐÀ¸·Î Áý°èµÇ´Â ±ÔÄ¢
Init
PSM Birth
Part-ner
¸ðµÎ
Init Wave¿¡
¼ÓÇÑ´Ù.
(Init wave 3¸í)
_SLIDE_19_
Method