3.Picktwothat describestrengths ofcommunication-baseddata collections. [ ]

(a)Easiertocollect various types of information

(b)Can collectdata that respondents are unaware of

(c)Unobtrusive research is often possible

(d)Can collect informationrelatively fast

4.Picktwothatwe do in theediting stage. [ ]

(a) Check whether there is missing data.

(b) Investigate the descriptive statistics.

(c) Correct questions in the questionnaire.

(d) Check the comprehensibility of the data collected.

5.Which isacorrectdescriptionregardingalpha error=.05? [ ]

(a)The sampling error is .05.

(b)The probabilitythat mydecision is falseon the test resultwill not exceed .05.

(c) If I accept the null hypothesis, the probability thatmydecision is false will not exceed .05.

(d) If I reject the null hypothesis, the probability thatmydecision is false will not exceed .05.