Question 1

The hypothesis that the population mean is the same as the sample mean is called the:

Accepted Answer

A)  research hypothesis. 
B)  null hypothesis. 
C)  alternative hypothesis. 
D)  inferential hypothesis. 
A)  research hypothesis. 
B)  null hypothesis. 
C)  alternative hypothesis. 
D)  inferential hypothesis.

Question 2

The probability of dealing a spade or a heart from a fair deck of cards is:

Accepted Answer

A)  .125 
B)  .25 
C)  .50 
D)  1.50 
A)  .125 
B)  .25 
C)  .50 
D)  1.50

Question 3

Characteristics of a population are referred to as ____ whereas characteristics of a simple sample are referred to as ____.

Accepted Answer

A)  statistics; parameters 
B)  parameters; statistics 
C)  parameters; probabilities 
D)  probabilities; parameters 
A)  statistics; parameters 
B)  parameters; statistics 
C)  parameters; probabilities 
D)  probabilities; parameters

Question 4

In the normal distribution, the percentage of scores than fall within two standard deviations of the mean is approximately:

Accepted Answer

A)  34% 
B)  50% 
C)  68% 
D)  95% 
A)  34% 
B)  50% 
C)  68% 
D)  95%

Question 5

The sample standard deviation is symbolized by ____.

Accepted Answer

A)  df 
B)  $\sigma$ 
C)  S 
D)  S2 
A)  df 
B)  $\sigma$ 
C)  S 
D)  S2

Question 6

An analysis of variance is the appropriate test when there are ____ conditions in an experiment.

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  three or more 
A)  two 
B)  three 
C)  four 
D)  three or more

Question 7

The probability of obtaining two heads and one tail (in any order) in three tosses of a coin is:

Accepted Answer

A)  .125 
B)  .375 
C)  .50 
D)  1.50 
A)  .125 
B)  .375 
C)  .50 
D)  1.50

Question 8

Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. You are 72 inches tall. How many standard deviations are you above the mean?

Accepted Answer

A)  impossible to tell without more information 
B)  1 
C)  2 
D)  3 
A)  impossible to tell without more information 
B)  1 
C)  2 
D)  3

Question 9

What is the sampling distribution of the mean? What is its purpose in inferential statistics? How does sample size affect the properties of this distribution?

Accepted Answer

The sampling distribution of the mean is

Question 10

Refer to Scenario 6-1. What is the probability that the student is either a psychology major or sociology major?

Accepted Answer

A)  .10 
B)  .40 
C)  .80 
D)  1.00 
A)  .10 
B)  .40 
C)  .80 
D)  1.00

Question 11

To compare the means of two randomly assigned groups of individuals, the appropriate test is:

Accepted Answer

A)  a t-test for dependent groups. 
B)  a t-test for matched scores. 
C)  a t-test for independent groups. 
D)  any one of these 
A)  a t-test for dependent groups. 
B)  a t-test for matched scores. 
C)  a t-test for independent groups. 
D)  any one of these

Question 12

Refer to Scenario 6-1. What is the probability that the student is a psychology major?

Accepted Answer

A)  .40 
B)  .50 
C)  .80 
D)  .95 
A)  .40 
B)  .50 
C)  .80 
D)  .95

Question 13

If lines are drawn from the points of inflection of the normal curve perpendicular to the x-axis, the x-axis would be divided into segments equal to:

Accepted Answer

A)  .05. 
B)  the variance. 
C)  the standard deviation. 
D)  the confidence interval. 
A)  .05. 
B)  the variance. 
C)  the standard deviation. 
D)  the confidence interval.

Question 14

Describe and draw the characteristics of the normal distribution.

Accepted Answer

The normal distribution, also known as t

Question 15

The probability of obtaining three consecutive heads on three tosses of a coin is:

Accepted Answer

A)  1.50 
B)  .50 
C)  .25 
D)  .125 
A)  1.50 
B)  .50 
C)  .25 
D)  .125

Question 16

You read that the results of a t-test was t(12) = 3.98, p >.01. What does this mean?

Accepted Answer

A)  The t value is 12, the degrees of freedom is 3.98, and the result would occur by chance fewer than 1 in 100 times. 
B)  The t value is 3.98, the degrees of freedom is 12, and the results would occur by chance fewer than 1 in 100 times. 
C)  The t value is .01, the degrees of freedom is 12, and the results would occur by chance fewer than 3.98 in 100 times. 
D)  The t value is .01, the degrees of freedom is 3.98, and the results would occur by chance fewer than 12 in 100 times. 
A)  The t value is 12, the degrees of freedom is 3.98, and the result would occur by chance fewer than 1 in 100 times. 
B)  The t value is 3.98, the degrees of freedom is 12, and the results would occur by chance fewer than 1 in 100 times. 
C)  The t value is .01, the degrees of freedom is 12, and the results would occur by chance fewer than 3.98 in 100 times. 
D)  The t value is .01, the degrees of freedom is 3.98, and the results would occur by chance fewer than 12 in 100 times.

Question 17

We describe characteristics of a sample by using italicized ____ letters and characteristics of a population by using ____ letters.

Accepted Answer

A)  Greek; English 
B)  Roman; English 
C)  Roman; Greek 
D)  Greek; Roman 
A)  Greek; English 
B)  Roman; English 
C)  Roman; Greek 
D)  Greek; Roman

Question 18

If an experimental report states that results are significant p<.05, this means that if the experiment was repeated you would expect:

Accepted Answer

A)  to obtain the same result less than 5 times in 100. 
B)  the result to occur by chance less than 95 times in 100. 
C)  the result to occur by chance less than 5 times in 100. 
D)  to obtain the same result more than 55 times. 
A)  to obtain the same result less than 5 times in 100. 
B)  the result to occur by chance less than 95 times in 100. 
C)  the result to occur by chance less than 5 times in 100. 
D)  to obtain the same result more than 55 times.

Question 19

What term refers to the number of scores that are free to vary?

Accepted Answer

A)  sum of squares 
B)  N 
C)  degrees of freedom 
D)  variance 
A)  sum of squares 
B)  N 
C)  degrees of freedom 
D)  variance

Question 20

If you hypothesized that the experimental group would perform better that the control group, the statistical test is:

Accepted Answer

A)  bidirectional. 
B)  one-tailed. 
C)  two-tailed. 
D)  significant. 
A)  bidirectional. 
B)  one-tailed. 
C)  two-tailed. 
D)  significant.

The hypothesis that the population mean is the same as the sample mean is called the:

The probability of dealing a spade or a heart from a fair deck of cards is:

Characteristics of a population are referred to as whereas characteristics of a simple sample are referred to as .

In the normal distribution, the percentage of scores than fall within two standard deviations of the mean is approximately:

The sample standard deviation is symbolized by ____.

An analysis of variance is the appropriate test when there are ____ conditions in an experiment.

The probability of obtaining two heads and one tail (in any order) in three tosses of a coin is:

Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. You are 72 inches tall. How many standard deviations are you above the mean?

What is the sampling distribution of the mean? What is its purpose in inferential statistics? How does sample size affect the properties of this distribution?

Refer to Scenario 6-1. What is the probability that the student is either a psychology major or sociology major?

To compare the means of two randomly assigned groups of individuals, the appropriate test is:

Refer to Scenario 6-1. What is the probability that the student is a psychology major?

If lines are drawn from the points of inflection of the normal curve perpendicular to the x-axis, the x-axis would be divided into segments equal to:

Describe and draw the characteristics of the normal distribution.

The probability of obtaining three consecutive heads on three tosses of a coin is:

You read that the results of a t-test was t(12) = 3.98, p >.01. What does this mean?

We describe characteristics of a sample by using italicized letters and characteristics of a population by using letters.

If an experimental report states that results are significant p<.05, this means that if the experiment was repeated you would expect:

What term refers to the number of scores that are free to vary?

If you hypothesized that the experimental group would perform better that the control group, the statistical test is:

Applying Psychology to Teaching

Stage Theories of Development

Age-Level Characteristics

Understanding Student Differences

Addressing Cultural and Socioeconomic Diversity

Behavioral and Social Learning Theories

Information-Processing Theory

Constructivist Learning Theory, Problem Solving, and Transfer

Approaches to Instruction

Motivation

Classroom Management

Assessment of Classroom Learning

Understanding and Using Standardized Tests

Becoming a Better Teacher by Becoming a Reflective Teacher

Becoming a Better Teacher by Becoming a Reflective Teacher

Filters

Exam 6: Accommodating Student Variability

The hypothesis that the population mean is the same as the sample mean is called the:

The probability of dealing a spade or a heart from a fair deck of cards is:

Characteristics of a population are referred to as ____ whereas characteristics of a simple sample are referred to as ____.

In the normal distribution, the percentage of scores than fall within two standard deviations of the mean is approximately:

The sample standard deviation is symbolized by ____.

An analysis of variance is the appropriate test when there are ____ conditions in an experiment.

The probability of obtaining two heads and one tail (in any order) in three tosses of a coin is:

Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. You are 72 inches tall. How many standard deviations are you above the mean?

What is the sampling distribution of the mean? What is its purpose in inferential statistics? How does sample size affect the properties of this distribution?

Refer to Scenario 6-1. What is the probability that the student is either a psychology major or sociology major?

To compare the means of two randomly assigned groups of individuals, the appropriate test is:

Refer to Scenario 6-1. What is the probability that the student is a psychology major?

If lines are drawn from the points of inflection of the normal curve perpendicular to the x-axis, the x-axis would be divided into segments equal to:

Describe and draw the characteristics of the normal distribution.

The probability of obtaining three consecutive heads on three tosses of a coin is:

You read that the results of a t-test was t(12) = 3.98, p >.01. What does this mean?

We describe characteristics of a sample by using italicized ____ letters and characteristics of a population by using ____ letters.

If an experimental report states that results are significant p<.05, this means that if the experiment was repeated you would expect:

What term refers to the number of scores that are free to vary?

If you hypothesized that the experimental group would perform better that the control group, the statistical test is:

Applying Psychology to Teaching

Stage Theories of Development

Age-Level Characteristics

Understanding Student Differences

Addressing Cultural and Socioeconomic Diversity

Behavioral and Social Learning Theories

Information-Processing Theory

Constructivist Learning Theory, Problem Solving, and Transfer

Approaches to Instruction

Motivation

Classroom Management

Assessment of Classroom Learning

Understanding and Using Standardized Tests

Becoming a Better Teacher by Becoming a Reflective Teacher

Becoming a Better Teacher by Becoming a Reflective Teacher

Filters

Characteristics of a population are referred to as whereas characteristics of a simple sample are referred to as .

We describe characteristics of a sample by using italicized letters and characteristics of a population by using letters.