矛盾回答者を完全シャットアウト
東南アジアパネルって大丈夫？回答の品質って問題ないの？
W&Sのインドネシア・ベトナムパネルなら回答の品質は問題ありません。
画面制御システムだけではなく、集計者の目視により回答データを確認して最後まで調査品質にこだわります。
正確なデータを納品するために、W&Sでは回収したデータを「ロジックチェックシート」に照らし合わせてチェックを行い、基準に反したデータは無効対策をおこない、信頼性の高いデータのみを納品しています。
Our Data Cleaning Process
１．データを集計する前に、ロジックチェックシートをクライアントに提示し、不正回答や矛盾回答となる条件を確認します。
２．その条件に基づき、データクリーニングを実施します。
回答が酷似している場合など、本人に直接電話で確認をおこなうこともあります。
Data cleaning - Case study
Case 1. Discrepancy between selected options of two questions (Illogical/Inconsistent Answers)
Recheck the following case:
If A_10 (Impressive Advertisement) / A_11 (Advertisement appear frequently) / A_17 (Promotion Campaign) in Q2 and A_7 (I have never known the advertisement and promotion campaign of this brand) in Q1 are selected at the same time.
Q1
Q2
Case 2. Discrepancy between future consumption intention within two questions (Inconsistent Answers)
Recheck the following case:
If A_1 (Very Likely) / A_2 (Somewhat Likely) of one brand in Q1 is chosen, but A_5 (Definitely not interested) of that brand in Q2 is also chosen.
Q1
Q2
Case 3. Discrepancy between Current Age and Highest Education Level (Inconsistent Answers)
Recheck the following case:
Recheck if A_2 (20 - 24 years old) in Q1 and A_7 (Doctor Degree/PhD) in Q2 are chosen at the same time.
Q1
Q2
Case 4. Speeders and Straight-Liners
Recheck the following case:
Recheck Matrix.
Recheck respondents who simply choose the same codes in each options and in a very short time (speeders/straight-liners)
Case 5. Improper Words/Spam
Recheck the following case:
Check text in A_11 (Others). If the text is improperly worded (irrelevant to the question asked or spam >> delete their result)
Case 6. Discrepancy between Device to find current job and Information about current job
Recheck the following case:
Recheck if A_7 (None of the above devices in Q1 and A_3 (Internet Jobs site), A_12 (Apply through website of recruiting company), A_13 (Social network sites) in Q2 are chosen at the same time.
Q1
Q2
