Social Media Research

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Uni-Potsdam

WiSe 19/20

Chapters

ID Question Course Name Author
1 Explain the Role of Policy-Makers as consumers of research Social Media Research 01 Theory vabene1111
2 Why is it hard to research Privacy ? Social Media Research 01 Theory vabene1111
3 How can the reliability of survey's be improved? Social Media Research 01 Theory vabene1111
4 What are the main types of research in terms of the research process, logic, outcome and purpose ? Social Media Research 01 Theory vabene1111
5 What are the differences in terms of assumptions between **Positivism** and **Interpretivism** Social Media Research 01 Theory vabene1111
6 What can be criticized about positivism as a research paradigm ? Social Media Research 01 Theory vabene1111
7 Explain the difference between **Reliability** and **Validity** Social Media Research 01 Theory vabene1111
8 Explain the different Methods used in Positivism and Interpretivism Social Media Research 01 Theory vabene1111
9 What does Triangulation in the context of research methods mean ? Social Media Research 01 Theory vabene1111
10 List all research biases and give examples! Social Media Research 01 Theory vabene1111
11 What is literature review and why is it needed ? Social Media Research 01 Theory vabene1111
12 What determines the quality of a Literature Review? Social Media Research 01 Theory vabene1111
13 How does Research in an area develop ? Social Media Research 01 Theory vabene1111
15 What is Keyword search, in which of the 3-Stage-Research-Process is it used and what are its drawbacks ? Social Media Research 01 Theory vabene1111
16 Explain the differences between Concept-Centric and Author Centric literature analysis! Social Media Research 01 Theory vabene1111
17 Explain what a Concept Matrix and an augmented Concept Matrix with units of analysis are ? (Context of Concept vs Author centric Literature Analysis) Social Media Research 01 Theory vabene1111
18 Explain the differences between Concepts, Constructs and Variables Social Media Research 01 Theory vabene1111
19 What is a Theory ? Social Media Research 01 Theory vabene1111
20 Why is Qualitative Research important ? Social Media Research 01 Theory vabene1111
21 Explain differences between Qualitative and Quantitative Research! Social Media Research 01 Theory vabene1111
22 Explain the main categories of Qualitative Research Procedures Social Media Research 01 Theory vabene1111
23 Explain the procedures and positive sides of Focus Groups! Social Media Research 01 Theory vabene1111
24 Explain the types of Interviews ? Social Media Research 01 Theory vabene1111
25 What types of probes can be used in interviews ? Social Media Research 01 Theory vabene1111
26 What are limitations of In-Depth Interviews ? Social Media Research 01 Theory vabene1111
27 Explain the essentials of the Delphi-Method Social Media Research 01 Theory vabene1111
28 What types of projektive techniques exist ? Social Media Research 01 Theory vabene1111
29 What are pros and cons of Projektive Techniques ? Social Media Research 01 Theory vabene1111
30 What are the limitations of Focus Groups (5 M's)? Social Media Research 01 Theory vabene1111
31 Explain the essentials of the Delphi Method. Social Media Research 01 Theory lr
32 What are the major steps of the Delphi Method? Social Media Research 01 Theory lr
33 What is the outcome of the Delphi Method? Which problem occurs? Social Media Research 01 Theory lr
34 Regarding the interpretation bias, which qulitative data collection technique is most useful for collection unbiased data? Social Media Research 01 Theory lr
35 Which qualitative data collection method is the best to collect innovative information? Why? Social Media Research 01 Theory lr
36 Why is sexuality not a suitable topic for focus groups? Name the caracteristics for a suitable topic. Social Media Research 01 Theory lr
37 What types of codes exists? Social Media Research 01 Theory lr
38 Name different methods for primary and secondary qualitative data gathering! Social Media Research 01 Theory vabene1111
39 What are the steps of Content Analysis! Social Media Research 01 Theory vabene1111
40 Explain the difference between **Thematic Coding** and **Content Analysis**! Social Media Research 01 Theory vabene1111
41 Explain the different types/properties of Codes in Content Analysis! Social Media Research 01 Theory vabene1111
42 Explain the Process/Steps of Coding! Social Media Research 01 Theory vabene1111
43 Explain the concept of Inter-Rater Reliability! Social Media Research 01 Theory vabene1111
44 Explain the Units of Analysis in the context Content Analysis! Social Media Research 01 Theory vabene1111
45 What are the components of a Codebook for Content Analysis ? Social Media Research 01 Theory vabene1111
46 Explain Frequency Analysis! Social Media Research 01 Theory vabene1111
47 Shortly summarize the history of Grounded Theory! Social Media Research 01 Theory vabene1111
48 What are the main differences between Glaser's and Strauss's Grounded Theory ? Social Media Research 01 Theory vabene1111
49 What are the key Advantages of Grounded Theory as opposed to other qualitative methods ? Social Media Research 01 Theory vabene1111
50 What are the critical Features of Grounded Theory ? Social Media Research 01 Theory vabene1111
51 How does Data Collection work in Grounded Theory Research ? Social Media Research 01 Theory vabene1111
52 Explain what Constant **Comparison** means in the context of **Grounded Theory** ? Social Media Research 01 Theory vabene1111
53 Explain what **Theoretical Sensitivity** means in the context of **Grounded Theory**! Social Media Research 01 Theory vabene1111
54 Explain **Theoretical Sampling** in the context of **Grounded Theory** Social Media Research 01 Theory vabene1111
55 Explain Open, Axial and Selective Coding for Grounded Theory! Social Media Research 01 Theory vabene1111
56 What is the "Core Category" in Grounded Theory ? Social Media Research 01 Theory vabene1111
57 Describe/Explain the Coding Paradigm by Strauss ? Social Media Research 01 Theory vabene1111
58 What is the Role of Memos in Grounded Theory ? Social Media Research 01 Theory vabene1111
59 What is **Theoretical Saturation** in the context of **Grounded Theory** Social Media Research 01 Theory vabene1111
60 What are typical Outcomes of Grounded Theory ? Social Media Research 01 Theory vabene1111
61 Why/When should Participatory Observations be used as a means of data collection ? Social Media Research 01 Theory vabene1111
62 What are benefits and drawbacks of Participatory Observations ? Social Media Research 01 Theory vabene1111
63 What are the typical steps of Participatory Observation ? Social Media Research 01 Theory vabene1111
146 What are the 3 steps in the `3-Stage-Process` of research ? Social Media Research 01 Theory vabene1111
ID Question Course Name Author
64 What are the different Data Types in R Social Media Research 02 R Data Analysis vabene1111
65 Explain the basic syntax of R Markdown ? Social Media Research 02 R Data Analysis vabene1111
66 What is the syntax to create a matrix with 2 columns of data? Social Media Research 02 R Data Analysis vabene1111
67 Explain the difference between an Array and a Matrix! Social Media Research 02 R Data Analysis vabene1111
68 What is the difference between a Matrix and a Data Frame Social Media Research 02 R Data Analysis vabene1111
69 What is Vector recycling ? Social Media Research 02 R Data Analysis vabene1111
70 What is lazy evaluation in R? Social Media Research 02 R Data Analysis vabene1111
71 What is the syntax to install an package in R? Social Media Research 02 R Data Analysis vabene1111
72 Describe how Variable assignment works in R! Social Media Research 02 R Data Analysis vabene1111
73 What does Element Wise Execution refer to? Social Media Research 02 R Data Analysis vabene1111
74 What types of special values (e.g. missing values) exist in R and how are they shown ? Social Media Research 02 R Data Analysis vabene1111
75 What is transpose and how does it work in R? Social Media Research 02 R Data Analysis vabene1111
76 How do you access the element in the 2nd column and 4th row of a matrix named M? Social Media Research 02 R Data Analysis vabene1111
77 Explain the build in function `apply()` Social Media Research 02 R Data Analysis vabene1111
78 What do the operators `%%` and `%/%` do ? Social Media Research 02 R Data Analysis vabene1111
79 How do you check if a variable `m` is a matrix ? Social Media Research 02 R Data Analysis vabene1111
80 What does the `which()` function do ? Social Media Research 02 R Data Analysis vabene1111
81 Explain the different data Structures: Vector, Matrix, Array, List and Data Frame Social Media Research 02 R Data Analysis vabene1111
82 How can rows and columns be added to Data Frame ? Social Media Research 02 R Data Analysis vabene1111
83 How to concatenate Strings in R ? Social Media Research 02 R Data Analysis vabene1111
84 How do you get part of a string in R ? Social Media Research 02 R Data Analysis vabene1111
85 How do you get an overview of a Data Frame ? Social Media Research 02 R Data Analysis vabene1111
86 If `df` is a Data Frame, what does `sum(is.na(df))` do ? Social Media Research 02 R Data Analysis vabene1111
87 What can the `table()` function be used for ? Social Media Research 02 R Data Analysis vabene1111
88 What does `tapply(FB.df$likes, FB.df$gender, mean)` do, if `FB.df` is a Data Frame containing Facebook data with gender and likes? Social Media Research 02 R Data Analysis vabene1111
89 What does the following function return ``` library(rtweet) x = search_tweets( "social media reserach", n = 18000, include_rts = FALSE, retryonratelimit = TRUE ) ``` Social Media Research 02 R Data Analysis vabene1111
90 What do the functions `head()` and `tail()` do ? Social Media Research 02 R Data Analysis vabene1111
91 If `timeline` is a Data Frame that contains a column `favorite_count` what does `timeline <- timeline[order(-favorite_count), ]` do ? Social Media Research 02 R Data Analysis vabene1111
92 create a vector with the numbers 15 to 20 Social Media Research 02 R Data Analysis Qing
93 We have the vector: name <- c("Steve, "Sophia", "Oliver", Harry", "Mark") How do you access Sophia? Social Media Research 02 R Data Analysis Qing
94 name <- c("Steve","Sophia","Oliver","Harry","Peter","Olivia","Marc") how do you acces the 2. and 4. name? Social Media Research 02 R Data Analysis Qing
95 name <- c("Steve","Sophia","Oliver","Harry","Peter","Olivia","Marc") determine the names of all users except the 2. and the 4. Social Media Research 02 R Data Analysis Qing
96 age <- c(15,16,17,18,18,19) determine those older than 16 Social Media Research 02 R Data Analysis Qing
97 ``` name<- c("Lilly", "Benedict", "Daniela") age <- c(15,16,17) ``` add the vector of names to the age, as a second column. Social Media Research 02 R Data Analysis Qing
98 create a matrix with 7 rows Social Media Research 02 R Data Analysis Qing
99 agenames <- c(16,16,19, "Johanna", "Mark", "Sophia") create a matrix with this vector, where age and names are in 2 seperate columns. Social Media Research 02 R Data Analysis Qing
100 What is the output of 9 %%3? Social Media Research 02 R Data Analysis Qing
101 What is the output of 9.6 %/% 3? Social Media Research 02 R Data Analysis Qing
102 What is the output of abs(-4.4)? Social Media Research 02 R Data Analysis Qing
103 x <- "abcdefg" substract "cde" Social Media Research 02 R Data Analysis Qing
104 a <- "hello" b <- "Olga" Concatenate these 2 characters. Social Media Research 02 R Data Analysis Qing
105 x <- c(1:10) get the average of x Social Media Research 02 R Data Analysis Qing
106 what is the output of mean(c(1,2,NA), na.rm =TRUE) ? Social Media Research 02 R Data Analysis Qing
107 How can you create a vector as a sequence of numbers and specify starting point, end point and steps in between? Social Media Research 02 R Data Analysis JW
108 How can you sort an unsorted vector (v) ? Social Media Research 02 R Data Analysis JW
109 Check if there are any missing values in the vector (v). Social Media Research 02 R Data Analysis JW
110 What means "coercion" in R and what are the rules? Social Media Research 02 R Data Analysis JW
111 How can you change the class of an object in R? (forced coercion) Social Media Research 02 R Data Analysis JW
112 What means "indexing" ? Social Media Research 02 R Data Analysis JW
113 `list1<-list(1,"a", TRUE, c(2.2, 5.1))` 1. Return the 4th element of list1. 2. Return the second value of the 4th element of list1. Social Media Research 02 R Data Analysis JW
114 Data frame (dat): Replace the first element in column "y" with 20. Social Media Research 02 R Data Analysis JW
115 Delete a column (x) in the data frame (dat). Social Media Research 02 R Data Analysis JW
116 What are special keywords that you cannot use in R? Social Media Research 02 R Data Analysis JW
117 What is a function? Why do we need operators? Social Media Research 02 R Data Analysis lr
118 What is the difference between a bar chart and a histogram? Social Media Research 02 R Data Analysis JW
119 Give the mean value of 1,2,3,4, NA. Social Media Research 02 R Data Analysis lr
120 What is the function to create a bar chart in R? Social Media Research 02 R Data Analysis JW
121 What is the most important package for data scraping with APIs ? Social Media Research 02 R Data Analysis JW
122 Show the range of the numbers 2,9,10,13. What will be the output? Additionally print the difference between the largest and the smallest value. Social Media Research 02 R Data Analysis lr
123 How to search for tweets by hashtag? Social Media Research 02 R Data Analysis JW
124 What is cumulative summing? What will be the output of the following code: `cumsum(1:3)` Social Media Research 02 R Data Analysis lr
125 How to search for tweets by user? Social Media Research 02 R Data Analysis JW
126 What does the which function? Social Media Research 02 R Data Analysis lr
127 Search a number for users, who used a certain hashtag in their profile bios. Social Media Research 02 R Data Analysis JW
128 Search 3000 most recently favorited statuses by a user. Social Media Research 02 R Data Analysis JW
129 Discover what´s currently trending in San Francisco on Twitter Social Media Research 02 R Data Analysis JW
130 Describe the analytics workflow. Social Media Research 02 R Data Analysis JW
131 How to identify and replace items from tweets? Social Media Research 02 R Data Analysis JW
132 What is a word cloud? Social Media Research 02 R Data Analysis JW
133 What is a comparison cloud and how to use it? Social Media Research 02 R Data Analysis JW
134 What is a commonality cloud and how to use it? Social Media Research 02 R Data Analysis JW
135 What are looping constructs? Social Media Research 02 R Data Analysis lr
136 What is the apply (...) function? Social Media Research 02 R Data Analysis lr
137 Which function can be used to concatenate strings? Social Media Research 02 R Data Analysis lr
138 Split the following string: hello Social Media Research 02 R Data Analysis lr
139 Round x = 3.3456 to the number of two decimal places Social Media Research 02 R Data Analysis lr
140 How to retain only unique rows from an input tbl (e.g. results from search_tweets)? Social Media Research 02 R Data Analysis JW
141 Which functions can be used to transform letters to lower or upper case? Social Media Research 02 R Data Analysis lr
142 How to determine only tweets of a certain language (en) in your search results? Social Media Research 02 R Data Analysis JW
143 What is the function of aggregate? Write down the code to aggregate the mean price of products from a list, where products are given with detailed brand and price. Social Media Research 02 R Data Analysis lr
144 How can you add more columns of a data.frame to the aggregate function? Social Media Research 02 R Data Analysis lr
145 How can you clean your Twitter search results from possible stop words? Social Media Research 02 R Data Analysis JW