1) The primary data source: ?

2) If a researcher collect data from secondary source, he/she can be: ?

3) The interview of data collection method is : ?

4) Proportionate stratified sampling is one type of:?

5) The cross-sectional study is one type of:?

6) What is the purpose of doing research?

7) Mean Deviation, Variance and Standard Deviation of the values of 6,6,6,6,6,6 is ?

8) The characteristics of unstructured interview data collection method is : ?

9) Quantitative variables that has only fixed of finite values are called:?

10) Which of the following is not a measure of central location?

11) The disadvantage of selecting a sample is 😕

12) CHECKfile can be created from?

13) The advantage of structured interview data collection method is : ?

14) The choice of study design depends on a variety of considerations, except 1:?

15) The result of a quantitative research ?

16) The result of a quantitative research is?

17) Participant observation if one type of data collection methods below: ?

18) The 75th percentile is referred to as the?

19) Which one of these sampling methods is a probability method? ?

20) Which one is the observation method of data collection : ?

21) Simple random sampling (SRS) is one type of:?

22) A numerical value used as a summary measure for a sample, such as sample mean, is known as a?

23) The weight of patients in a hospital is:?

24) The selection of data collection methods should be based on: ?

25) The primary source data can get from : ?

26) Most research in the humanities revolves around the:?

27) Cluster sampling is one type of:?

28) What is the disadvantage of a questionnaire for data collection: ?

29) What is the advantage of a questionnaire for data collection: ?

30) The meaning of focus group discussion is : ?

31) QUESfile can be created from: ?

32) The first quartile?

33) The analysis of quantitative data is mostly used programme software?

34) Which of the following divides a group of data into four subgroups?

35) The greater the sample size can get:?

36) Which of the following is continuous variable?

37) The purpose of sampling in qualitative research is:?

38) In collecting the data, the researcher must decide: ?

39) The meaning of in-depth interviews is : ?

40) Which one is the observation method of data collection : ?

41) What is a characteristic of the mean?

42) If a person weight is 60 kg, it was classified as:?

43) What is the disadvantage of a questionnaire for data collection: ?

44) The characteristics of structured interview data collection method is : ?

45) Which one is the potential problem for observation data collection method : ?

46) What is data collection?

47) Chose the correct answer below : ?

48) The advantage of structured interview data collection method is : ?

49) The primary source of data can provide: ?

50) The most appropriate data collection method in qualitative research is : ?

51) Percentiles divide the data in a distribution into:?

52) What is the main purpose of randomization?

53) How many scale of variables measurement in statistical data:?

54) In case there are too many outliers in the data set, the most representative average value is?

55) Dependent variable in epidemiological study was also called:?

56) The extension dtafile is the format of dataset in?

57) The advantage of selecting a sample is 😕

58) Quota sampling, judgment sampling and convenience sampling are classified as types of: ?

59) What is the step 3 of research studies:?

60) If a data set has an even number of observations, the median?

61) Which one is the observation method of data collection : ?

62) If a data set has an even number of observations, the media?

63) What is the advantage of a questionnaire for data collection: ?

64) If a researcher collect data from primary source, he/she can be: ?

65) Non-participant observation is : ?

66) The most frequently occurring value of a data set is called the?

67) Which one is the observation method of data collection : ?

68) What is the step 1 of research studies:?

69) The aim in selecting a sample is:?

70) Chose the correct answer below : ?

71) If a population is heterogeneous:?

72) What is a research design ?

73) Which one is the observation method of data collection : ?

74) The characteristic of an open-ended question in research studies is: ?

75) What is a research methodology?

76) The most appropriate data collection method in qualitative research is : ?

77) The interview of data collection method is : ?

78) Which of the following is qualitative variable?

79) The pth percentile is a value such that at least p percent of the observations are?

80) What is the advantage of a questionnaire for data collection: ?

81) Logfile can be created from: ?

82) The binary variables is one type of:?

83) The advantage of selecting a sample is 😕

84) What is the disadvantage of a questionnaire for data collection: ?

85) If a person weight is 605 kg, it was classified as:?

86) Which of these represent qualitative data?

87) The case-control study is one type of:?

88) Dofile can be created from: ?

89) To study about the interaction in a group, the appropriate method of data collection is : ?

90) The characteristic of a close-ended question in research studies is: ?

91) The value that has half of the observations above it and half the observations below it is called the?

92) The secondary data source was available from : ?

93) Which one is the four scales of variables measurement in statistical data:?

94) Which one of the following measurement does not divide a set of observations into equal parts?

95) The cut-off for the third quartile is:?

96) The primary source data can get from 😕

97) Dependent variable in epidemiological study was also called:?

98) The secondary source of data can provide: ?

99) Cluster sampling, stratified sampling and systematic sampling are types of:?

100) The purpose of sampling in quantitative research is:?

101) Occupation is one variable in a study What type of this variable was classified:?

102) What makes people do a research?

103) The appropriate sampling method in quantitative research is:?

104) What is the disadvantage of a questionnaire for data collection: ?

105) The selection of data collection methods should be based on: ?

106) In collecting the data, the researcher must decide: ?

107) The cohort study is one type of:?

108) The 90th percentile has:?

109) Which one is the potential problem for observation data collection method : ?

110) What information can be obtained from a cross-sectional study??

111) In statistics, a population consists of?

112) The median of a sample will always equal the?

113) The range of a set of data is:?

114) What information can be obtained from a cohort study?

115) The randomized control trial is one type of:?

116) The mean is?

117) Interviewing all members of a given population is called: ?

118) The stages of a malignant disease (cancer) is recorded using the symbols 0, I, II, III, IV We say
that the scale used is: ?

119) Sampling frame is 😕

120) The advantage of selecting a sample is 😕

121) What is the objective of a research?

122) The difference between sample statistic and the true population is due to:?

123) The interquartile range represents the central portion of the distribution,?

124) Height of one patient is one type of:?

125) The difference between the largest and the smallest data values is the?

126) The secondary data source was available from : ?

127) The most important statistical descriptive measure of the location of a data set is the?

128) What is the main purpose of using Epidata software for?

129) Non-participant observation if one type of data collection methods below: ?

130) A quantitative research ?

131) RECfile can be created from: ?

132) Which of the following is a measure of dispersion?

133) Based on Monette et al (1986:156), the interview is : ?

134) The most appropriate data collection method in qualitative research is : ?

135) The categorical variables is one type of:?

136) Which one is the potential problem for observation data collection method : ?

137) The most appropriate data collection method in quantitative research is : ?

138) Characteristic of qualitative research is ?

139) What is the step 2 of research studies:?

140) What is the disadvantage of a questionnaire for data collection: ?

141) The selection of data collection methods should be based on: ?

142) The discrete variable is one type of:?

143) The difference between an interview schedule and a questionnaire is: ?

144) The standard deviation is the measure of spread used most commonly with:?

145) What the advantage of a cohort study?

146) Which one is the observation method of data collection : ?

147) In collecting the data, the researcher must decide: ?

148) The secondary data source: ?

149) Weight of one patient is one type of:?

150) The most appropriate data collection method in qualitative research is : ?

151) To study the function carried out by nurses in a hospital, what is the best data collection method : ?

152) The selection of data collection methods should be based on: ?

153) Which ONE of the following is the main problem with using non-probability sampling techniques?

154) Which one is the observation method of data collection : ?

155) The number of traffic accidents in Cambodia during 2014 is:?

156) The primary source data can get from : ?

157) To study the behavior of individual, the appropriate method of data collection is : ?

158) The most appropriate data collection method in qualitative research is : ?

159) In a research studies for the humanities, the Ps mean that:?

160) The sum of deviations of the individual data elements from their mean is?

161) A quantitative research ?

162) Which of the following is not a measure of dispersion?

163) What is the main purpose of using Stata software for?

164) The process of selecting a few sample from the population is called:?

165) The application of statistical methods in biology is called ?

166) To study the functions performed by a worker, the appropriate method of data collection is : ?

167) The interquartile range is?

168) What is the disadvantage of a questionnaire for data collection: ?

169) A parameter is a measure which is computed from?

170) The median of a series of numerical values is: ?

171) Which one is the observation method of data collection : ?

172) What is a research methods?

173) The interquartile range is a measure of spread used most commonly:?

174) The aim in selecting a sample is:?

175) The most appropriate data collection method in qualitative research is : ?

176) Which of the following provides a meaning of research?

177) Two factors may influence the degree of certainty about the inferences drawn from a sample:?

178) Statistic is a numerical quantity, which is calculated from:?

179) How many types of the interview data collection method in a research : ?

180) What is the main function of using Epidata software for?

181) The descriptive measure of dispersion that is based on the concept of a deviation about the mean is?

182) Which one is the potential problem for observation data collection method : ?

183) In most studies, the research hypothesis will be based on: ?

184) Disproportionate stratified sampling is one type of:?

185) The height of a student is 162 meters This is an example of:?

186) The advantage of close question is: ?

187) What is the advantage of a questionnaire for data collection: ?

188) The disadvantage of open-ended question is: ?

189) The median is a measure of?

190) In practice, most research studies are based on a combination of at least:?

191) The clinical trial is one type of:?

192) Based on Burn (1997:329), the interview is : ?

193) The advantage of open-ended question is: ?

194) What is the advantage of a questionnaire for data collection: ?

195) What is the main purpose of using Stata software for?

196) In the statistical world, the range is reported as:?

197) Which of the following is not based on all the observations?

198) For sampling, which one of the following should be up-to-date, complete and affordable?

199) What is the questionnaire : ?

200) The height of a student is 162 meters This is an example of:?

201) Participant observation is : ?

202) Which one is the potential problem for observation data collection method : ?

203) In collecting the data, the researcher must decide: ?

204) Quantitative variables that can have any numerical values are called:?

205) Which one is the potential problem for observation data collection method : ?

206) If a series of values consists of 21 numbers, then, for finding the median, we ordered the series
ascending and we use: ?

207) A subgroup of the population that you are interested is called:?

208) Which of the following provides a measure of central location for the data?

209) Type of sampling in which each element of population has equally likely chance of selection is:?

210) The weight of patients in a hospital is:?

211) Quantitative research is?

212) What is the step 4 of research studies:?

213) Systematic sampling is one type of:?

214) The continuous variable is one type of:?