Chapter 10

Question 1

An estimate of sampling error that is determined from the standard deviation of the distribution of the sample means using the sample standard deviation to represent the population standard deviation.

Answer 1

Estimated standard error

Question 2

Cases where we cannot use the Z test, statistic, T distributions and statistic Z distributions, using T as in inferential statistic

Answer 2

The T distribution

Question 3

Predicting the population of psychics, conducting a one tail test, stating the null hypothesis, step one state hypothesis

Answer 3

One sample t-test

Question 4

Step two: set decision criterion, setting the alpha, significance of 0.05, alpha level. critical range

Answer 4

One sample t-test

Question 5

Step three: collecting sample data, collecting sample data, sample in the ESP study

Answer 5

One sample t-test

Question 6

Step 4: calculate statistics, calculating estimated standard error and sample t

Answer 6

One sample t-test

Question 7

Step five: make a decision, comparing sample T score with te it value, neither support for alternative hypothesis, nor provide evidence for null hypothesis, conclusion of the ESP test

Answer 7

One sample t-test

Question 8

Normal distribution and independent observation

Answer 8

One sample t-test assumptions

Question 9

Pretest posttest design, match design, related or paired sample t-test

Answer 9

Samples with related or pair data

Question 10

Step one: state hypothesis, examples of alternative and null hypothesis, comparing sample mean from different scores 20, positive and negative difference scores

Answer 10

related or paired sample t-test

Question 11

Step two: set the decision criterion, setting the alpha, criterion region

Answer 11

Related or paired sample t-test

Question 12

Step three: collecting sample data, collecting the sample data, different scores

Answer 12

Related or paired sample t-test

Question 13

Step 4: calculate statistics, calculating sample means, and sample deviation, calculating estimated standard error, finding the tcrit value

Answer 13

Related or paired sample t-test

Question 14

Step five: make a decision, rejecting the null hypothesis, need for further testing

Answer 14

Related or paired sample T test

Question 15

Normal distribution and independent score

Answer 15

Paired sample, t-test assumptions

Question 16

Two Samples to compare, calculations in an independent test, rejecting, or retaining the hypothesis

Answer 16

Independent samples

Question 17

Estimating sampling error for two samples, sampling error, and pooled variance

Answer 17

Independent samples

Question 18

Step one: state hypothesis, stating that alternative hypothesis, and stating the null hypothesis

Answer 18

Independent sample t-test

Question 19

Step two: set decision criterion, setting the alpha, critical region

Answer 19

Independent sample t-test

Question 20

Step three: collect sample data, example of samples with different, mean accuracy score and variance

Answer 20

Independence sample t-test

Question 21

Step 4: calculate statistics, Calculating descriptive and inferential statistics, calculating pooled variance, calculating estimated standard error, and calculating sample T scores

Answer 21

Independent sample t-test

Question 22

Step5 : make a decision, comparing sample t scores with tcrit value, conclusion of the test

Answer 22

Independence sample t-test

Question 23

Normal distributions and independent scores and homogeneity of variance

Answer 23

Independent sample t-test assumptions

Question 24

When we do not know the population mean, we use the ______________ to calculate, estimated standard error.

Answer 24

Sample standard deviation

Question 25

With a sample size of 25° of freedom would be ____________

Answer 25

24

Question 26

In the calculations of a T score the estimate standard error is an estimate of___________

Answer 26

The population standard deviation

Question 27

When we calculate an inferential, statistics, looking at me and differences, the numerator is the_________ and the denominator is the__________

Answer 27

Actual mean difference Main difference expected by chance do to sampling

Question 28

For a sample of 36 participants in a standard deviation of 3, the estimated standard error would be ______

Answer 28

3.0

Question 29

The shape of the t distribution will be normal whenever the population is normal

Answer 29

False

Question 30

In Assumption of the T test is that the scores must be independent observed.

Answer 30

True

Question 31

The T table provides the P value for each T score to allow the researchers to compare p with a

Answer 31

True

Question 32

In the related or paired sample t-test, the difference scores typically predicted by the null hypothesis

Answer 32

Equal 0

Question 33

For a sample size______, we do not need to be worried about violating the assumption of a normal distribution for the population

Answer 33

31 or higher

Question 34

The dependent variable for a width in subject design is

Answer 34

Different scores of cross conditions

Question 35

A match design might involve

Answer 35

Couples or twins

Question 36

The estimated standard error in a related or paired sample t-test is based on the standard deviation of the different scores

Answer 36

True

Question 37

The df for a match paired design is based on the true number of participants instead of the number of paired

Answer 37

True

Question 38

In assumption of the related or paired sample t-test, is that all scores across conditions are independent

Answer 38

False

Question 39

The pooled variance is _____

Answer 39

The combine variance for two independent samples

Question 40

The variance of a sample depends on the______ and _____

Answer 40

The sum of squares from samples The sample degrees of freedom

Question 41

With an independent sample t-test, a researcher can draw conclusions about _______

Answer 41

Comparison of two population means

Question 42

The homogeneity of variance assumptions state that the variance in the two sample must be equal

Answer 42

False

Question 43

A between subject study with the results showing no significant mean difference between condition, support the null hypothesis that no differences between the population in the sample represent.

Answer 43

False

Question 44

Like other T test, the independent samples t-test assumes that the scores between participants are independent

Answer 44

True

Question 45

The statistic _____ difference slightly from the statistics Z distribution

Answer 45

T-distribution

Question 46

The larger, the______ the closer, the tea is to the value of Z

Answer 46

Sample size

Question 47

The critical regions associated with our________ will change with the degree of freedoms

Answer 47

a level

Question 48

The default test in SPSS is an _____ test

Answer 48

Two tailed

Question 49

The one tailed test has an ____ that is half the____ for the two tailed test.

Answer 49

P value; P value

Question 50

There are two——— that a researcher must know to be true in order to use a T test

Answer 50

Assumptions

Question 51

_______ means that the scores cannot be related in same systematic ways to each other

Answer 51

Independent observations

Question 52

In_____ design, participants are paired across the treatment conditions on some variables of interest

Answer 52

Matched

Question 53

A study is considered a____ design, because all the participants will complete the same task in two different environments

Answer 53

Within subject