Dear Lawan, 

The theory developed by Ajzen, Icek (1991) is much used in psychology.

TPB Questionnaire Construction 1

CONSTRUCTING A THEORY OF PLANNED BEHAVIOR QUESTIONNAIRE

Icek Ajzen

Brief Description of the Theory of Planned Behavior.

http://people.umass.edu/aizen/pdf/tpb.measurement.pdf

Ajzen, Icek (1991) "The theory of planned behavior". Organizational Behavior and Human Decision Processes 50 (2): 179–211. doi:10.1016/0749-5978(91)90020-T.

Ajzen, I. (1985). From intentions to actions: A theory of planned behavior. In J. Kuhl & J. Beckmann (Eds.), Action control: From cognition to behavior. Berlin, Heidelber, New York: Springer-Verlag. (pp. 11-39).

Fishbein, M. & Ajzen, I. (1975). Belief, attitude, intention, and behavior: An introduction to theory and research. Reading, MA: Addison-Wesley

Dear Lawan, 

The theory developed by Ajzen, Icek (1991) is much used in psychology.

TPB Questionnaire Construction 1

CONSTRUCTING A THEORY OF PLANNED BEHAVIOR QUESTIONNAIRE

Icek Ajzen

Brief Description of the Theory of Planned Behavior.

http://people.umass.edu/aizen/pdf/tpb.measurement.pdf

Ajzen, Icek (1991) "The theory of planned behavior". Organizational Behavior and Human Decision Processes 50 (2): 179–211. doi:10.1016/0749-5978(91)90020-T.

Ajzen, I. (1985). From intentions to actions: A theory of planned behavior. In J. Kuhl & J. Beckmann (Eds.), Action control: From cognition to behavior. Berlin, Heidelber, New York: Springer-Verlag. (pp. 11-39).

Fishbein, M. & Ajzen, I. (1975). Belief, attitude, intention, and behavior: An introduction to theory and research. Reading, MA: Addison-Wesley

Hello Lawan,

The theory of planned behaviour posits that the formation of intentions are comprised of beliefs/attitudes, normative beliefs/subjective norms and control beliefs/perceived control. In some models, other variables have been used to achieve higher accuracy or account for variance, for example descriptive norms.  

The theory works best when you are able to establish specific measurable behavioural outcomes that result from behavioural intentions. What entrepreneurial behaviours are you attempting to measure?  Also, you need to understand what conditions facilitate the formation of the corresponding entrepreneurial intentions. Once you know the conditions, you will be better able to define which conditions support beliefs/attitudes, normative beliefs, control beliefs and so on. The articles below will help you find survey items and provide you with other important details:

Entrepreneurial Intentions

Boyd, N. G., & Vozikis, G. S. (1994). The influence of self-efficacy on the development of entrepreneurial intentions and actions. Entrepreneurship theory and practice, 18, 63-63.

Gird, A., & Bagraim, J. J. (2008). The theory of planned behaviour as predictor of entrepreneurial intent amongst final-year university students. South African Journal of Psychology, 38(4), 711-724.

Krueger, N. F., Reilly, M. D., & Carsrud, A. L. (2000). Competing models of entrepreneurial intentions. Journal of business venturing, 15(5), 411-432.

Krueger, N. F., & Carsrud, A. L. (1993). Entrepreneurial intentions: applying the theory of planned behaviour. Entrepreneurship & Regional Development, 5(4), 315-330.

Moriano, J. A., Gorgievski, M., Laguna, M., Stephan, U., & Zarafshani, K. (2011). A cross-cultural approach to understanding entrepreneurial intention. Journal of Career Development, 0894845310384481.

Van Gelderen, M., Brand, M., van Praag, M., Bodewes, W., Poutsma, E., & Van Gils, A. (2008). Explaining entrepreneurial intentions by means of the theory of planned behaviour. Career Development International, 13(6), 538-559.

Attitudes towards Entrepreneurship

Ede, F. O., Panigrahi, B., & Calcich, S. E. (1998). African American students' attitudes toward entrepreneurship education. Journal of Education for Business, 73(5), 291-296.

Hatten, T. S., & Ruhland, S. K. (1995). Student attitude toward entrepreneurship as affected by participation in an SBI program. Journal of Education for Business, 70(4), 224-227.

Normative Beliefs/Subjective Norms

Carr, J. C., & Sequeira, J. M. (2007). Prior family business exposure as intergenerational influence and entrepreneurial intent: A theory of planned behavior approach. Journal of Business Research, 60(10), 1090-1098.

Souitaris, V., Zerbinati, S., & Al-Laham, A. (2007). Do entrepreneurship programmes raise entrepreneurial intention of science and engineering students? The effect of learning, inspiration and resources. Journal of Business venturing, 22(4), 566-591.

Control Beliefs/Perceived Behavioural Control

Brockhaus, R. H. (1975, August). IE LOCUS OF CONTROL SCORES AS PREDICTORS OF ENTREPRENEURIAL INTENTIONS. In Academy of Management Proceedings (Vol. 1975, No. 1, pp. 433-435). Academy of Management.

Also view the attached scale and survey format for the theory of planned behaviour. Note, the youtube video makes a few useful points.

Good Luck

Daryn Dyer

PS:

Also, if you have a moment, I would appreciate your participation in my graduate survey study about ethics/intentions and behaviour in the workplace. The following link will take you to the questionnaire which takes about 3-4 minutes. Note, the study I am conducting is based on the theory of planned behaviour.

https://www.surveymonkey.com/s/GZ8KR79

Thank you in advance

D.

https://www.youtube.com/watch?v=nZsxuD3gExE

In addition to Beatrice's answer, there are several interesting other documents you can find on the Home page of Icek Ajzen. 

Personally, I think the sample questionnaire is most interesting if you want a ready usable instrument for quick implementation: 

http://people.umass.edu/aizen/pdf/tpb.questionnaire.pdf