18-Dr. Stanley wants to develop a new scale for an abstract construct cynicism about managements intentions. Which of the following should he do first?

Select one:

a. Develop a pool of items

b. Provide a clear conceptual definition of the construct

c. Convert ratio-scale data to an ordinal level of measurement

d. Assess convergent validity

19-A market researcher wants to compare the effect of two different advertisements for a companys laundry detergent on purchase intentions. The researcher gathers a representative sample of the target market and randomly assigns half of the participants to watch a soft and fluffy advertisement. The other half watch an advertisement that focuses on the products germ killing features. The researcher controls other variables that might influence purchase intentions. Purchase intention scores are compared between the two groups. What research design is this?

Select one:

a. case study

b. survey research

c. opinion poll

d. quasi-experiment

e. true experiment

20-Random assignment to conditions is a prominent form of control that researchers exert to better understand cause-and-effect relations.

Select one:

True

False

21-A political campaign manager wants to know public intentions to vote for their candidate by having a poll conducted of eligible voters in the candidates constituency. Which of the following approaches should the polling firm use to determine the appropriate sample size?

Select one:

a. Statistical procedure rules of thumb

b. Parameter precision (and confidence)

c. Coefficient alpha

d. Statistical power analysis

-Just the correct answers (Letters) without any explanation at all, please -Just answer if you are 100% sure about the answers, please And please answer all questions, please not only the first question -Course Name: Evidence-Based Management Many thanks