RESEARCH INC /MN/

FY: Sep 30 2001

Q: Jun 30 2001

Q: Jun 30 2001

Q: Mar 31 2001

Q: Dec 31 2000

FY: Sep 30 2000

Q: Jun 30 2000

Q: Mar 31 2000

Q: Dec 31 1999

FY: Sep 30 1999

Q: Jun 30 1999

Q: Mar 31 1999

Q: Dec 31 1998

FY: Sep 30 1998

Q: Jun 30 1998

Q: Mar 31 1998

Q: Feb 13 1998

FY: Dec 12 1997

Q: Aug 14 1997

Q: Mar 31 1997

3,7

3,7

3,7

3,7

3,7

3,7

3,7

3,7

3,7

3,7

3,7

3,5,7

2,7

5,7

2,7

5,7

5,7

2,7

Certification of termination of registration of a class of securities (Section 12(g))

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

DIMENSIONAL FUND ADVISORS INC

DIMENSIONAL FUND ADVISORS INC

DIMENSIONAL FUND ADVISORS INC

HAYER FRANK C

ANDERSON KENNETH G

DIMENSIONAL FUND ADVISORS INC

DIMENSIONAL FUND ADVISORS INC

HAYER FRANK C