Statistics - Which of the following is a display of numerical data in rows and columns

Question # 00231568 Posted By: kimwood Updated on: 03/27/2016 12:45 PM Due on: 04/26/2016
Subject Business Topic General Business Tutorials:
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Question 11 pts

Which of the following is a display of numerical data in rows and columns of a matrix?

graph

figure

histogram

table

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Question 21 pts

A frequency distribution shows a(n) ____ on the y-axis and a(n) ____ on the x-axis.

dependent variable, independent variable

frequency, independent variable

frequency, dependent variable

independent variable, frequency

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Question 31 pts

Which one of the following distributions is probably negatively skewed?

family income in dollars per year

scores on a very difficult test

scores on a moderately difficult test

scores on a very easy test

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Question 41 pts

A curve that never changes direction is called a(n) ____ curve.

monotonic

nonmonotonic

U-shaped

inverted

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Question 51 pts

Which one of the following graphs would be used as a preliminary step in correlational analysis?

bar graph

scattergram

line graph

frequency distribution graph

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Question 61 pts

A bar graph should be used when the

independent variable is a discrete variable

independent variable is a continuous variable

dependent variable is a discrete variable

depend variable is a continuous variable

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Question 71 pts

The slope of a cumulative record shows

number of responses

rate of responding

changes in response rate

type of response

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Question 81 pts

Error bars can be misleading when

data are normally distributed

data are skewed

different groups have different amounts of variability

we conduct true expeiments

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Question 91 pts

Data reduction is

recording data onto individual data sheets

transcribing data from individual data sheets to a summary form

performing statistical analysis

performing inferential statistics

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Question 101 pts

Before inferential statistics are performed, you should

Calculate descriptive statistics

Represent the data in a table

Represent the data in a graph

All of the other three options given

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Question 111 pts

The basic idea of validity is that conclusions based on research (are)

statistically reliable

free of experimenter bias

correspond to the actual conditions of the world

support the researchers hypothesis(es)

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Question 121 pts

Two independent variables are confounded when

they both vary in the study

one varies and one does not

their separate effects cannot be tested

neither varies in the study

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Question 131 pts

Which one of the following questions is concerned with construct validity?

Do the results support the researcher's hypothesis?

Do the results support the theory behind the research?

Are there alternative variables that can be ruled out as potential causes of the behavior or interest?

Are the measuring instruments free of error?

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Question 141 pts

External validity refers to the extent to which

research results can be generalized to other situations

the experimenter unintentionally communicates his or her expectations to the participants

historical events occurred that accompanied one or more of the experimental treatments

the observed relationship is a true cause-effect relationship

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Question 151 pts

When a researcher asks the question, "Have changes in some developmental process within the subjects paralleled the treatment effects?", she is concerned with which oneof the following potential threats to internal validity?

maturation

subject selection

regression effect

testing effect

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Question 161 pts

Students as a group tend to perform better on the second exam. This is similar to ____, which is a threat to validity

the regression effect

effects of testing

history

mortality

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Question 171 pts

Which one of the following is not a threat to the internal validity of an experiment?

maturation

regression effect

random error

mortality

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Question 181 pts

Loss of subjects during the course of a research project usually introduces bias because

the resulting sample is too small

subjects are not lost on a random basis

descriptive statistics cannot be used on the resulting data

inferential statistics cannot be used on the resulting data

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Question 191 pts

A loose connection between theory and method threatens ____ validity.

internal

external

construct

statistical

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Question 201 pts

Milgram's famous study (1963) in which people were led to believe that they were administering shocks to other people illustrates the power of obedience and

evaluation apprehension

role demands

experimenter bias

selection bias

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Question 211 pts

A within-subjects experiment is one in which each subject

experiences each condition

serves as his or her own control

experiences only one of the conditions

experiences each condition and serves as his or her own control

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Question 221 pts

Skinner emphasized which aspect of control?

reduction of variability

providing a standard of comparison

using groups of subjects

using statistical control

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Question 231 pts

Which one of the following statements is true about a between-subjects experiment?

Each subject experiences each condition.

Different groups of subjects experience different conditions.

Each group of subjects experiences each condition.

Each individual experiences a different condition.

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Question 241 pts

Laboratory research, as opposed to field research, is

the only way to achieve satisfactory experimental control

required by government funding agencies

better because participants expect formal settings

generally preferred because it is easier to achieve control

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Question 251 pts

Which one of the following is not a good general strategy for achieving control in research?

using a laboratory setting

instrumenting the response

avoiding designs that require statistical analyses

using trained researchers

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Tutorials for this Question
  1. Tutorial # 00226786 Posted By: kimwood Posted on: 03/27/2016 12:45 PM
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