Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Research And Stats > Chapter 10 > Flashcards

Chapter 10 Flashcards

1
Q

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.

A

Estimated standard error

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

A

The T distribution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

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

A

One sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

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

A

One sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

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

A

One sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

A

One sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

One sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Normal distribution and independent observation

A

One sample t-test assumptions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

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

A

Samples with related or pair data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

related or paired sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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

A

Related or paired sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

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

A

Related or paired sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

A

Related or paired sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

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

A

Related or paired sample T test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Normal distribution and independent score

A

Paired sample, t-test assumptions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

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

A

Independent samples

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

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

A

Independent samples

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

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

A

Independent sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

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

A

Independent sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

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

A

Independence sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

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

A

Independent sample t-test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

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

A

Independence sample t-test

23
Q

Normal distributions and independent scores and homogeneity of variance

A

Independent sample t-test assumptions

24
Q

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

A

Sample standard deviation

25
Q

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

A

24

26
Q

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

A

The population standard deviation

27
Q

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

A

Actual mean difference

Main difference expected by chance do to sampling

28
Q

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

A

3.0

29
Q

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

A

False

30
Q

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

A

True

31
Q

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

A

True

32
Q

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

A

Equal 0

33
Q

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

A

31 or higher

34
Q

The dependent variable for a width in subject design is

A

Different scores of cross conditions

35
Q

A match design might involve

A

Couples or twins

36
Q

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

A

True

37
Q

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

A

True

38
Q

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

A

False

39
Q

The pooled variance is _____

A

The combine variance for two independent samples

40
Q

The variance of a sample depends on the______ and _____

A

The sum of squares from samples

The sample degrees of freedom

41
Q

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

A

Comparison of two population means

42
Q

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

A

False

43
Q

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.

A

False

44
Q

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

A

True

45
Q

The statistic _____ difference slightly from the statistics Z distribution

A

T-distribution

46
Q

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

A

Sample size

47
Q

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

A

a level

48
Q

The default test in SPSS is an _____ test

A

Two tailed

49
Q

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

A

P value; P value

50
Q

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

A

Assumptions

51
Q

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

A

Independent observations

52
Q

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

A

Matched

53
Q

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

A

Within subject

Research And Stats (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions