SOLVED

11)One should obtain demographic information from participants  A)only if the sample is a random sample. B)only if there is a question about how representative the sample is. C)to be able to adequately describe the sample when writing up the research findings. D)to determine the adequacy of the independent variable manipulation. 12)Independent variable manipulations A)should be pretested for feasibility. B)should be chosen carefully because they may interfere with the statistical procedures. C)help determine the level of constraint of the dependent measures. D)should be used only when matched groups are not available. 13)When using research assistants, ________ is critical to insure the data will be collected as planned. A)random assignment B)reimbursement for participants’ time C)proper training D)equal numbers 14)All instructions to participants, procedures, and tests should be A)prepared and piloted. B)ambiguous. C)non-defensive and user-friendly. D)creative and original. 15)Ethical considerations should be addressed  A)after one has met with the IRB. B)during the interpretation phase of the study. C)before one has decided on the design of the study. D)before any data are collected. 16)Procedures and equipment should be  A)flexible to allow the researcher to respond to the actions of each participant. B)identical to those used in previous studies. C)automated and computer controlled.Â