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[lab] CommHealth > (1) Unit 5: Data Presentation > Flashcards

(1) Unit 5: Data Presentation Flashcards

1
Q

Data presentation method:

Data is simply narrated, story fashion

A

Narrative or textual

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2
Q

Data presentation method:

A systematic arrangement of data presented in columns and rows for the purpose of comparison

A

Tabular

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3
Q

Data presentation method:

Pictorial representation of data

A

Figure / graphical

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4
Q

Data presentation method:

Most basic way of presenting data

A

Textual presentation

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5
Q

Data presentation method:

Data is presented in the form of a sentence / paragraph

A

Textual presentation

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6
Q

Characteristics of a good figure/table

A

Simplicity
Clarity
Continuity

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7
Q

Allow the amounts of raw data to be sorted and reorganized in a neat format

A

Tabular presentation

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8
Q

T/F: never put data in the table if you can describe it efficiently in one or two sentences

A

T

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9
Q

Uses of tables

A

Summarizing and presenting data
Data checking and editing
Basis, aid in graph or chart construction

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10
Q

Strengths of tables

A

Easy to understand
More compact and concise than textual form
Present data in greater detail than a graph
Can readily point out trends, comparisons, or interrelations

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11
Q

Parts of a table:

Table number: use ___ numerals

A

Arabic

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12
Q

Parts of a table:

Table number: ___ is unacceptable

A

Partial or fractional numbering

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13
Q

Parts of a table:

Table title should ___ the content of a table without referring the reader to the next

A

adequately explain

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14
Q

Parts of a table:

Table title: spacing

A

Single-spaced

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15
Q

Parts of a table:

Table number: do not use ___

A

Suffix letters

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16
Q

Parts of a table:

located in the body of the table in order to divide the data in a table without changing the columns

A

Table spanners

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17
Q

Parts of a table:

used to combine two tables into one provided they have similar column heads.

A

Table spanner

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18
Q

Parts of a table:

Used to avoid repetition of words in column headings

A

Decked heads

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19
Q

Parts of a table:

The intersection between a row and column

A

Cell

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20
Q

Parts of a table:

Qualifies, explains or provides info relating to the table as a whole and gives explanation of abbreviations, symbols as well as the source

A

General note

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21
Q

Parts of a table:

Refers to a particular column or row or individual entry

A

Specific note

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22
Q

Parts of a table:

Indicated by superscript lowercase letters

A

Specific note

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23
Q

Parts of a table:

Indicates the results of tests of significance

A

Probability note

24
Q

Tables that have textual data

A

Word/textual table

25
Q

T/F: Word/textual table serve the same purpose as any table - comparison

A

T

26
Q

Numerical table:

A ratio of the number of observations in a statistical category to the total number of observations (proportion or %)

A

Relative frequency table

27
Q

Numerical table:

a table which presents proportion data and categorical variables

A

Relative frequency table

28
Q

Relative frequency table:

Presents data with respect categories of one variable only

A

One-way

29
Q

Relative frequency table:

data with respect to cross-classification of two categorical variables

A

Two-way

30
Q

Relative frequency table:

data with respect to more than two categorical variables

A

Multi-way

31
Q

tables that can present data of a

  • descriptive statistics
  • inferential statistics
A

Statistical tables

32
Q

to facilitate tabulation in the absence of a computer

A

Master table

33
Q

shows the distribution of observations across several variables of interest in a given study

A

Master table

34
Q

each observation is cross-classified across the variables

A

Master table

35
Q

skeleton tables

A

Dummy tables

36
Q

preview of tables to be

A

Dummy tables

37
Q

Uses of dummy tables

A

.help researcher clarify instrument
.help protocol reviewer
.guides data analyst/programmers

38
Q

Usual errors in table construction

A
  1. comparison based on absolute numbers
  2. use of wrong denominators in computing for percentages
39
Q

visual representation of relationship between,
but not restricted to, two variables

A

Graphical presentation

40
Q

Instances where graph are not appropriate

A
  • Data are very dispersed
  • Too few data (categories)
  • Numerous data
  • Data show little or no variation
41
Q

Type of graph:

Shows breakdown of a group or total where the no. of categories is not too many

A

Pie chart

42
Q

Type of graph:

Readily compares the percentages in each category by comparing the heights of the bars

A

Bar graph

43
Q

Type of bar graph:

Usually used for discrete quantitative variables

A

Vertical bar graph

44
Q

Type of bar graph:

Used for qualitative variables

A

Horizontal bar graph

45
Q

Type of graph:

A bar divided into smaller rectangles representing the parts

A

Component bar graph

46
Q

T/F: A horizontal bar graph is similar to a pie chart

A

F (component bar graph)

47
Q

___ is preferable over pie chart in situations where the compositions of two or more groups are to be compared

A

Component bar graph

48
Q

Type of graph:

Graphical representation of the frequency distribution of a continuous variable

A

Histogram

49
Q

T/F: it is important to leave spaces between the bars of histogram to avoid confusion

A

F (no space between bars in an important characteristic of this graph)

50
Q

In histogram, ___ may show the absolute or relative frequencies

A

Vertical scale

51
Q

Type of graph:

Plot of dots ( representing values of the variable) joined with lines over some period of time in sequential series

A

Line graph

52
Q

Type of graph:

Time series is shown along the horizontal axis while the variable values are shown along the vertical axis

A

Line graph

53
Q

Type of graph:

Similar to the histogram except that

  • Frequencies are plotted against the corresponding midpoints of the classes
  • Can depict more than 1 one distribution
A

Frequency polygon

54
Q

T/F: frequency polygon is an open figure

A

F (closed)

55
Q

Type of graph:

Show relationship between two quantitative variables

A

Scatterplot

56
Q

Type of graph:

Gives rough estimate of the degree of correlation between the variables

A

Scatterplot

[lab] CommHealth (9 decks)

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