Jeopardy Questions Flashcards

1
Q

The sum on individual scores divided by the number of sample size

A

mean

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2
Q

using interval and ratio scaled data, it is the average variability from the mean

A

standard deviation

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3
Q

It compares the mean of one group against the mean of the same group but at different times

A

paired t-test

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4
Q

When examining differences of group means, there is one categorical IV with 3 or more categories and one continuous DV

A

one-way ANOVA

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5
Q

The extent to which two variables are related to each other

A

correlation

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6
Q

Uses nominal level data to compare actual number or frequency to the expected number

A

chi-square

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7
Q

This represents the examination of whether the sample mean falls in a small range of the bell-shaped curve

A

null hypothesis

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8
Q

This statistical method is designed to predict the outcome of one quantitative DV and one quantitative IV

A

simple linear regression

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9
Q

When most data are clustered around the mean with just a few outliers

A

normal distribution

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10
Q

It is the number by which the calculated statistics is compared in order to reject or not reject the null hypothesis

A

critical value

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11
Q

Specific parametric statistical method by which the relationship between two variables are quantified

A

Pearson Product Moment correlation

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12
Q

Researcher typically set at .05 to represent that there is 5% probability that differences occur by chance

A

significance level

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13
Q

nonparametric statistical test compares two groups with ordinal level data

A

Mann-Whitney test

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14
Q

The official name of statistical symbol that mathematically represent relationship that exists between two variables

A

correlation coefficient

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15
Q

In a relationship, when one variable increases the other decreases

A

negative correlation

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16
Q

This value is analogous to the mean (average) and represents 50th percentile of the distribution

A

median

17
Q

This test can answer a research question with ordinal data and looking for change over time

A

Friedman test

18
Q

This statistical test typically compares two or more groups with ordinal level data and analogous with one-way ANOVA.

A

Kruskal-Wallis test

19
Q

Purpose of this statistical methods is to equalize differences between one categorical IV and one continuous DV by controlling for a potentially confounding variable.

A

ANCOVA

20
Q

Statistical method can examine the difference in measurements between two groups taken at year 1, year 2, and year 3

A

Repeated measures ANOVA (within-subjects)

21
Q

This statistical methods would be used to answer the research question what is the difference between children with autism, ADHD, and LD in the areas of visual perceptual skills, sensory modulation abilities, and functional performance after controlling for IQ.

A

MANCOVA

22
Q

The mass of distribution is on the left and outliers are on the right

A

Positively skewed or skewed to the right

23
Q

When critical regions are to the far left and right and there are two chances to reject the null hypothesis

A

two-tailed hypothesis

24
Q

This statement predicts that the independent variable will have an effect on the dependent variable, but doesn’t specify in which direction the effect will take place

A

non-directional hypothesis