$4\mathrm{.}3.$ The research instrument used by Mr Thompson Dingane$$s is depicted below: $-$II$-7$ Part A: Demographics $1.$ Gender Male Female $2.$ Age Less than $20$ years old $20-29$ years Old $30-39$ years Old $40-49$ years Old $50$ years and older $3.$ How long have you been working in a managerial role? $<1$ year $15$ years $610$ years $1115$ years $>15$ years $4.$ What is your highest Academic qualification to date? None Matric Certificate Post$-$High School Certificate Diploma Bachelor$$s Degree Master$$s Degree Doctoral Degree PART B: Management team diversity This section measures the diversity of the management team of which you are a part. Please put an x or $()$ in the applicable box to rate your level of agreement or disagreement with each of the following statements. Mark one box only. $5.$ In terms of cultural and relations$-$oriented diversity, the management team of which I am part is: Extremely diverse Very diverse moderately diverse Slightly diverse Not at all diverse $6.$ In terms of professional and task$-$oriented diversity, the management team of which I am part is: Extremely diverse Very diverse moderately diverse Slightly diverse Not at all diverse $-$II$-84\mathrm{.}3\mathrm{.}1.$ State the level of measurement for Part B to Part E of the questionnaire. $(3)$ Part C: Measures of uncertainty awareness in decision making This section measures your awareness of the potential impact, and consideration, of uncertainty on your decision making as a manager. Please put an x or $()$ in the applicable box to rate your level of agreement or disagreement with each of the following statements. Mark one box only. # Item$/$Measure Very much like me Mostly like me Somewhat like me Not much like me Not like me at all $1$ I am always conscious of the need to factor in uncertainty in my decisions as a manager. $2$ When making decisions, I am always aware that I don$$t have all the facts. $3$ I deem it important to incorporate some degree of doubt with data when I make important decisions. $4$ When uncertain, I go with my gut. $5$ I often do a what$-$if analysis before I make decisions as a manager. $6$ Thinking about uncertainty is an unnecessary distraction in the decision process. $7$ Experience has taught me to be cautious when the facts don$$t add up$.$ Part D: Measures of complexity awareness in decision making This section measures your awareness and consideration of complexity in your decision making as a manager. Please put an x or $()$ in the applicable box to rate your level of agreement or disagreement with each of the following statements. Mark one box only. # Attitude toward Success Strongly Disagree Disagree Neither agree nor disagree Agree Strongly Agree $1$ The degree of complexity of the problem should determine the rigour of the decision making process. $2$ I hate decision paralysis so I do not over analyse problems. $3$ The world is complex so keep decision$-$making simple. $4$ Worrying about complexity is a sign of inexperience. $5$ I admit that sometimes I am overconfident. $6$ Managerial hubris is inimical to good decisions. $7$ I seek a second and sometimes a third opinion when dealing with complex problems. Part E: Measures of Decision outcomes and Business performance On a $110$ rating scale, how important are your decisions to the overall performance of the business? $12345678910$ On a $110$ rating scale, how do you rate the performance of the business? $12345678910-$II$-94\mathrm{.}3\mathrm{.}2.$ Recommend three different tests to Mr Madavhu for testing each of the three hypotheses? For each test recommended, provide a rationale for your choice and the assumptions that must be met. $(6$ marks$)4\mathrm{.}3\mathrm{.}3.$ To achieve the aim of the study Mr Madavhu should have considered at least one more statement of null and alternative hypothesis. Explain why the three hypotheses do not exhaustively achieve the aim of the study. Formulate an additional null and alternative hypothesis test that will fill the gap. $(3$ marks$)$