Test-retest reliability measures reliability. It examines the extent to which scores from one sample are stable over time from one test administration to another.
What is test-retest reliability
100
A descriptive question is a quantitative research question used to identify participants' responses to a single variable or question. This single variable may be an independent, dependent, or intervening variable.
What is a descriptive question?
100
A nominal scale of measurement is considered the lowest level of measurement. It is also referred to as categorical.
What is a nominal scale of measurement?
100
Skewness is the degree in which a distribution departs from symmetry.
What is skewness?
100
Probability sampling is a type of sampling where a researcher selects individuals from the population who are representative of that population (most rigorous form).
What is probability sampling?
200
Alternative forms reliability is an approach to measure reliability. It involves using two instruments, both measuring the same variables and relating the scores for the same group of individuals to the two instruments.
What is alternative forms reliability?
200
A relationship question is a quantitative research question used to determine the degree and magnitude of the relationship between two or more variables.
What is a relationship question?
200
Ordinal data is the second level of measurement. Ordinal data are similar to nominal data in that they represent categories. However, ordinal data orders or ranks these categories. Ordinal measurements do not indicate the degree of difference between items.
What is ordinal data?
200
Kurtosis is the “peakedness” of a distribution.
What is kurtosis?
200
Simple random sampling is a type of sampling where a researcher selects particpants for the sample so that any individual has an equal probability of being selected from a population.
What is simple random sampling?
300
Interrater reliability is a procedure used when making observations of behavior. It involves observations made by two or more individuals of an individual's or several individuals' behavior.
What is interrater reliability?
300
A comparison question is a quantitative research question used to find out how two or more groups on an independent variable differ in terms of one or more outcome variables.
What is a comparison question?
300
The interval scale orders data like the ordinal scale, but also has equal intervals between items. It provides information about the distance between items, and the intervals are equal. Data on the interval scale do not have an absolute zero.
What is interval data?
300
Leptokurtic distribution extends higher than the normal curve and is narrower across the horizontal axis than normal curve. It also varies less than normal curve.
What is leptokurtic distribution?
300
Systemic sampling is a type of sampling where a researcher chooses every nth individual or site in the population until you reach desired sample size.
What is systemic sampling?
400
Kuder-Richarson Split Half Test is an approach to examine the consistency of responses for a test. It should be used when a) items on an instrument are scored right or wrong as categorical scores b) the response are not influenced by speed and c) the items measure a common factor.
What is Kuder-Richarson Split Half Test and when should it be used?
400
A central question is an overarching research question used in a qualitative study.
What is a central question?
400
Ratio data have the same qualities as interval data except they have an absolute zero. This means that there can be a true absence of items symbolized by ratio data.
What is ratio data?
400
Mesokurtic distribution represents the shape of normal distribution.
What is mesokurtic distribution?
400
Stratified sampling is a type of sampling where a researchers divides the population on some specific characteristic (i.e. gender) and then, using simple random sampling, samples from each subgroup of the population.
What is stratified sampling?
500
The Spearman-Brown Formula is modification of the Kuder-Richardson split half test which estimates full-length test reliably using all questions on an instrument.
What is the Spearman-Brown Formula?
500
Subquestions refine the central question to be addressed in a qualitative study.
What are subquestions?
500
An absolute zero is defined as the absence of whatever it is that one is measuring (i.e. personality, intelligence, multicultural counseling competence, empathy, and mindfulness).
What is an absolute zero?
500
Platykurtic distribution is flatter than a normal curve and is more spread out. Scores vary greater than mesokurtic and leptokurtic distributions.
What is platykurtic distribution?
500
Convenience sampling is a type of sampling where the researcher selects participants because they are willing and available to be studied.