Case 1 Flashcards

1
Q

BirthDAY
BirthMONTH
BirthYEAR
BirthDATE
Gender
Nationality

are _____ variables

A

Nominal

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2
Q

Level of Achievement
University Choice
Goals

are _____ variables

A

ordinal

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3
Q

BirthDAY
BirthMONTH
BirthYEAR
Gender
Nationality
Level of Achievement

are ____

A

Frequencies

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4
Q

BirthDATE
BirthYEAR (mean)
University Choice
Goals

are _______

A

Descriptives

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5
Q

The standard error difference is…

A

the most direct measure of the extent to which our point estimate will fluctuate across the samples

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6
Q

For the independent samples t-test, if the p value is larger than alpha, we ____ the null

A

fail to reject

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7
Q

For the independent samples t-test, if the p value is smaller than alpha, we ____ the null

A

reject

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8
Q

For the independent samples t-test, the independent variable is always…

A

qualitative

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9
Q

For the independent samples t-test, the dependent variable is always…

A

quantitative

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10
Q

The p-value is high, when the “standard deviation reported in the group statistics table are

A

similar.

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11
Q

In terms of regression with a dummy variable, the slope estimate for b1 can be found at the “Significance of Equal Variances Assumed” in the _____ test table

A

independent samples

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12
Q

When it comes to cross / contigency tables, what can we compare to support a claim we make?

A

We can compare observes and expected and provide support to a claim regarding the same category.

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13
Q

When it comes to ANOVA testing, the dependent variable must be reasonably interpreted as…

A

quantitative

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14
Q

When it comes to ANOVA testing, the variance of the dependent variable has to be…

A

roughly similar in all of the subpopulations

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15
Q

When it comes to ANOVA testing, the difference between the group means is measured as…

A

“Between Group Sum of Squares”

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16
Q

The “Within Groups Sum of Squares” depends on…

A

the variances (SD^2)

17
Q

The paired samples test deals with…

A

-testing two ordinal variables
-testing whether one goal is as important as another one

18
Q

Using ANOVA with an ordinal variable _____ it to quantitative

A

upgrades

19
Q

Using Chi-Square with an ordinal variable _____ to nominal

A

downgrades

20
Q

When it comes to Hypothesis testing, if the average score is higher than the test value, we _____

A

reject the null

21
Q

When it comes to Hypothesis testing, if the average score is lower than the test value, we _____

A

fail to reject

22
Q

When it comes to one-sample testing, a positive t-statistic implies that the evidence points towards an average score _____ the test value

A

above

23
Q

When it comes to one-sample testing, a positive mean difference implies that the evidence points towards an average score _____ the test value

A

above

24
Q

The mean difference measures the gap between…

A

the sample mean and the test value

25
Q

If the sample size becomes smaller, then the t-statistic becomes ____ since SE becomes ____

A
  1. smaller
  2. larger
26
Q

Spearmans Correlation is there to investigate…

A

the relationships between different motives
(e.g. age & ambition are not related)