Research Agency

Rakuten Research, Inc.

Research Method


Delivery Destination



From 24th April to 28th April, 2015


People in their thirties and forties

Essential Requisite

Ÿ The people who know all brands of study.

Ÿ Household Income is more than 10 million yen or household assets (financial assets and real estate) is more than 50 million yen

Elimination Condition

Ÿ The people who chose the same choices at more than 90% questions

Ÿ The people who finished the survey less than 80% speed than average speed.

All Mail Sender

7822 samples (men 5032 samples, women 2790 samples)

Finally Collected Samples

500 samples (men 250 samples, women 250 samples)