Question 1

A sample is simply a(n):

Accepted Answer

A) aggregate of all cases 
B) random population 
C) subset of the population 
D) statistic 
A) aggregate of all cases 
B) random population 
C) subset of the population 
D) statistic

Question 2

Random sampling is an ideal that is seldom achieved in practice.

Accepted Answer

A) True 
 B)False

Question 3

Describe the four types of measurement typically used in the behavioral sciences.

Accepted Answer

Nominal measurement involves using numbe

Question 4

What is the probability of drawing a card with a number from a standard deck of 52 cards? (Do not consider an ace a number card).

Accepted Answer

A) 4/52 
B) 9/52 
C) 13/52 
D) 36/52 
A) 4/52 
B) 9/52 
C) 13/52 
D) 36/52

Question 5

It is necessary for a variable to be manipulated in order for it to be conceptualized as an independent variable.

Accepted Answer

A) True 
 B)False

Question 6

The determination of whether a variable is measured on a(n)_____ level is usually a straightforward matter in the behavioral sciences.

Accepted Answer

A) nominal 
B) ordinal 
C) interval 
D) ratio 
A) nominal 
B) ordinal 
C) interval 
D) ratio

Question 7

In a study of the effects of exercise on health,the independent variable is _____ and the dependent variable is _____.

Accepted Answer

A) constant;variable 
B) variable;constant 
C) health;exercise 
D) exercise;health 
A) constant;variable 
B) variable;constant 
C) health;exercise 
D) exercise;health

Question 8

The concept of probabilities is important to statistics especially_____.

Accepted Answer

A) descriptive statistics 
B) inferential statistics 
C) probabilities of test scores 
D) none of these 
A) descriptive statistics 
B) inferential statistics 
C) probabilities of test scores 
D) none of these

Question 9

A researcher studies the relationship between the amount of time spent studying for an exam and the number of errors made.A sample of twenty students who have the same GPA are randomly assigned to one of four groups: 1,2,3,or 4 hours of study time.After studying the specified time,all students took an identical exam and the number of errors each student made was counted.
The independent variable in the above study is:

Accepted Answer

A) number of errors made 
B) GPA of the students 
C) number of hours studied 
D) number of students in each group 
A) number of errors made 
B) GPA of the students 
C) number of hours studied 
D) number of students in each group

Question 10

A phenomenon that takes on different values is termed _____.

Accepted Answer

A) an error 
B) a constant 
C) a variable 
D) none of the above 
A) an error 
B) a constant 
C) a variable 
D) none of the above

Question 11

Scientific research is best conceptualized as a body of knowledge about some phenomenon.

Accepted Answer

A) True 
 B)False

Question 12

A(n)_____is an educated guess about what the results will be.

Accepted Answer

A) study 
B) independent variable 
C) hypothesis 
D) prose 
A) study 
B) independent variable 
C) hypothesis 
D) prose

Question 13

Measurement involves translating empirical relationships between objects into numerical relationships.

Accepted Answer

A) True 
 B)False

Question 14

The scientific research process is always an orderly sequence of activities.

Accepted Answer

A) True 
 B)False

Question 15

____variables can assume only a finite number of values between any two points;____ variables theoretically can assume an infinite number of values between any two points.

Accepted Answer

A) Discrete;continuous 
B) Continuous;discrete 
C) Discrete;qualitative 
D) Quantitative;continuous 
A) Discrete;continuous 
B) Continuous;discrete 
C) Discrete;qualitative 
D) Quantitative;continuous

Question 16

In statistics Probabilities have a precise meaning.

Accepted Answer

A) True 
 B)False

Question 17

A hypothesis involves drawing a conclusion and thinking about the implications of the investigation for future research.

Accepted Answer

A) True 
 B)False

Question 18

If you were interested in studying the effects of varying preparatory instructions on the perception of pain during an injection,the instructions would be a(n)_____ variable and the amount of perceived pain would be a(n)____ variable.

Accepted Answer

A) independent;dependent 
B) dependent;dependent 
C) secondary;independent 
D) independent;independent 
A) independent;dependent 
B) dependent;dependent 
C) secondary;independent 
D) independent;independent

Question 19

A Psychologist's who is studying the effects of home environment on aggression needs to _____before conducting his/her experiment.

Accepted Answer

A) have a control group 
B) operationally define terms (aggression) 
C) state his/her hypothesis 
D) None of these 
E) All of these 
A) have a control group 
B) operationally define terms (aggression) 
C) state his/her hypothesis 
D) None of these 
E) All of these

Question 20

Most doctors believe or suggest that Ritalin helps memory which would be considered their ____________________.

Accepted Answer

The answer of Most doctors believe or suggest that Ritalin...

A sample is simply a(n):

Random sampling is an ideal that is seldom achieved in practice.

Describe the four types of measurement typically used in the behavioral sciences.

What is the probability of drawing a card with a number from a standard deck of 52 cards? (Do not consider an ace a number card).

It is necessary for a variable to be manipulated in order for it to be conceptualized as an independent variable.

The determination of whether a variable is measured on a(n)_____ level is usually a straightforward matter in the behavioral sciences.

In a study of the effects of exercise on health,the independent variable is _ and the dependent variable is _.

The concept of probabilities is important to statistics especially_____.

A phenomenon that takes on different values is termed _____.

Scientific research is best conceptualized as a body of knowledge about some phenomenon.

A(n)_____is an educated guess about what the results will be.

Measurement involves translating empirical relationships between objects into numerical relationships.

The scientific research process is always an orderly sequence of activities.

variables can assume only a finite number of values between any two points; variables theoretically can assume an infinite number of values between any two points.

In statistics Probabilities have a precise meaning.

A hypothesis involves drawing a conclusion and thinking about the implications of the investigation for future research.

If you were interested in studying the effects of varying preparatory instructions on the perception of pain during an injection,the instructions would be a(n)_ variable and the amount of perceived pain would be a(n) variable.

A Psychologist's who is studying the effects of home environment on aggression needs to _____before conducting his/her experiment.

Most doctors believe or suggest that Ritalin helps memory which would be considered their ____________________.

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Exam 1: Introduction and Mathematical Preliminaries

A sample is simply a(n):

Random sampling is an ideal that is seldom achieved in practice.

Describe the four types of measurement typically used in the behavioral sciences.

What is the probability of drawing a card with a number from a standard deck of 52 cards? (Do not consider an ace a number card).

It is necessary for a variable to be manipulated in order for it to be conceptualized as an independent variable.

The determination of whether a variable is measured on a(n)_____ level is usually a straightforward matter in the behavioral sciences.

In a study of the effects of exercise on health,the independent variable is _____ and the dependent variable is _____.

The concept of probabilities is important to statistics especially_____.

A phenomenon that takes on different values is termed _____.

Scientific research is best conceptualized as a body of knowledge about some phenomenon.

A(n)_____is an educated guess about what the results will be.

Measurement involves translating empirical relationships between objects into numerical relationships.

The scientific research process is always an orderly sequence of activities.

____variables can assume only a finite number of values between any two points;____ variables theoretically can assume an infinite number of values between any two points.

In statistics Probabilities have a precise meaning.

A hypothesis involves drawing a conclusion and thinking about the implications of the investigation for future research.

If you were interested in studying the effects of varying preparatory instructions on the perception of pain during an injection,the instructions would be a(n)_____ variable and the amount of perceived pain would be a(n)____ variable.

A Psychologist's who is studying the effects of home environment on aggression needs to _____before conducting his/her experiment.

Most doctors believe or suggest that Ritalin helps memory which would be considered their ____________________.

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

In a study of the effects of exercise on health,the independent variable is _ and the dependent variable is _.

variables can assume only a finite number of values between any two points; variables theoretically can assume an infinite number of values between any two points.

If you were interested in studying the effects of varying preparatory instructions on the perception of pain during an injection,the instructions would be a(n)_ variable and the amount of perceived pain would be a(n) variable.