Table 3.

Between-item and within-subject design in experiment 2.

	Participants from Subgroup A	Participants from Subgroup B
Trial 1	Heterogeneous condition	Homogeneous condition
	Item 1: Please talk about the celebrity you most revere;	Item 1 Please talk about the place you admire most about yourself;
	Item 2: What will happen if the opinions of your children differ from yours? Give an example;	Item 2 Please talk about the most successful thing you have ever done;
	Item 3: Please talk about the most successful thing you have ever done.	Item 3 please talk about the greatest achievement you have achieved in the eyes of others.
Trial 2	Homogeneous condition	Heterogeneous condition
	Item 1: Please talk about your most memorable journey.	Item 1: Please briefly introduce your educational background.
	Item 2: Please talk about your favorite scenic spot.	Item 2: Please talk about your most memorable journey.
	Item 3: Whom would you most like to travel with?	Item 3 Please briefly introduce your advantages and disadvantages.
……
Trial 6	Homogeneous condition	Heterogeneous condition

The items in italics were the target questions that participants were required to answer.