edan prelims terms

33問 • 1年前

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studies involving collection, organization, presentation, analysis, interpretation, and drawing conclusions from the data

statistics

Collection, organization, presentation and analysis of daya

descriptive statistics

Higher degree of analysis, interpretation and inferences

inferential statistics

Characteristic of a population or sample which makes on different from the other

variable

Large collection of objects, persons, or things

population

Part of population that has the same characteristics of the guven population

sample

Data that can be placed into categories according to their characteristics or attributes

qualitative data

Data which are numerical in nature

quantitative data

Values that can be counted and their values are represented by counting numbers only

discrete variables

All values between any two specific values or intervals. Values are obtained through measurement

continuous variable

Influenced by another variable

dependent variable

Isn’t influenced by other variables

independent variable

Value or measure obtained from a population

parameter

Any value or measurement obtained from a sample

statistic

Distinguishes one object from another object for identifying purposes only

nominal level of measurement

Classifies data into some specified order or rank

ordinal level of measurement

Specifies the precise difference between or among the values of ranks

interval level of measurement

Has the same characteristics as interval level; difference is that the ratio level always starts from zero

ratio level of measurement

Researcher gathers data by asking the interviewee series of questions

interview method

Researcher distributes the wuestionnaires either personally or by mail and collects them the same process

questionnaire method

This method of collecting data us governed by our existing laws

registration method

Used to find out the cause and effect relationship of certain phenomene under controlled conditions

experimental method

Researcher may observe subjects individually or group of individuals to obtain data and information related to the objectives of the investigation

observation method

Researcher may ask or invite individuals to send text opinions in certain issues or send in their choices on their brand preferences on a particular product using cellphone

texting method

Also know as raffle. Esch member if the population is numbered on a piece of paper

lottery sampling

Used to draw the numbers for the sample

table of random numbers

Done by numbering each element of the population

systematic sampling

Obtain samples by dividing the population into strata (groups)

stratified sampling

Sometimes called area sampling because it is used for large population

cluster sampling

Use combinations of several random sampling techniques in getting the sample from a very large population

multi-stage sampling

Used because it is convenient to the researcher

convenience sampling

Researcher uses the proportions of different strata; and from the strata, selections are fone using quota

quota sampling

Researcher gets his sample from the respondents purposely close or related to him

purposive sampling

strema prelims terms

Andrea Estores · 62問 · 1年前