Answer

NAME: NAME: (5) Insuring that an experimental program is delivered as intended is an example of [ ] formative evaluation [ ] process evaluation (1 1) In an experiment, randomization [ ] helps to control for known confounders [ ] outcome evaluation [ ] helps to control for unknown confounders (6) In comparing a group to itself on a pre- and posttest (before and after an intervention) [ ] helps to control for known and unknown confounders on a continuous outcome variable, such as mean weight (in pounds), one should use a [ ] t-test (12) In an observational study (e.g., case control), the investigator randomly assigns study participants to the exposed and control groups [ ] chi square test [ ] true [ ] a paired t-test [ ] false [ ] logistic regression primary inlargo (13) Internal validity refers to whether (7) In conducting a survey, randomly selecting respondents from the population of interest increases 10 iloily [ ] a causal finding is valid [ ] a causal finding for one group is generalizable to another group [ ] the likelihood that respondents will give honest answers [ ] both the above [ ] the likelihood that the aggregate responses will be representative of the population of interest (14) The minimum standard for reliability of a measure is [ ] both of the above [ ] alpha = .05 Name the following potential threats to validity: [ ] beta = .80 (8) The control group was inadvertently exposed to the intervention [ ] r= .61 (15) The function of random allocation of subjects in a randomized trial is to ensure that (9) Unplanned events occurred in the environment of the study between pre- and posttest observations that could have affected study outcomes_ experimental groups are oly [ ] representative of the population from which they were selected (10) Study participants changed between pre- and posttest due to normal developmental processes doit [ ] comparable to each other in terms of distribution of characteristics