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Psychological Assessment Statistics: Scales of Measurement and Descriptive Statistics

16 Questions

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Psychological Assessment Statistics: Scales of Measurement and Descriptive Statistics

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Questions and Answers

Which scale of measurement has a true zero point?

Interval

Ratio (correct)

Ordinal

Nominal

What does 'Magnitude' refer to in the context of statistics?

Error in measurement

Frequency of distribution

Difference between two points on a scale

Property of 'moreness' (correct)

Which statistic provides a concise description of a collection of quantitative information?

Post-Hoc tests

Tukey's HSD test

Descriptive statistics (correct)

Inferential statistics

What is the property of an 'Equal Interval' scale?

The difference between two points at any place on the scale is the same Signup and view all the answers

Which scale can take on any value within a range and has infinite possible values?

Continuous Scale Signup and view all the answers

'Tukey's HSD test' is used for computing what in ANOVA?

Minimum difference between treatment means necessary for significance Signup and view all the answers

What type of scale involves classification or distribution categorization based on one or more distinguishing characteristics?

Nominal scale Signup and view all the answers

Which measure of central tendency is the middle score of the distribution?

Median Signup and view all the answers

What type of distribution has two scores that occur with the highest frequency?

Bimodal distribution Signup and view all the answers

Which measure of variability is equal to the difference between the highest and lowest score?

Range Signup and view all the answers

What type of transformation retains a direct numerical relationship to the original raw score?

Linear transformation Signup and view all the answers

What is the purpose of hypothesis testing?

To evaluate a sample data to make inferences about a population Signup and view all the answers

What is the purpose of the alpha level in a hypothesis test?

To define the concept of "very unlikely" Signup and view all the answers

What is the purpose of the Pearson correlation coefficient?

To measure the strength and direction of the relationship between two continuous variables Signup and view all the answers

What is the purpose of the standard error of estimate in regression analysis?

To measure the variability of the residuals Signup and view all the answers

What type of test is used to compare the means of two independent groups with continuous variables?

Independent t-test Signup and view all the answers