1F: MIDTERM REFRESHER IN PSYCHOLOGICAL STATISTICS

A scale that measures a variable with an absolute zero value, magnitude and equal intervals is ____.

• Nominal

• Ordinal

• Interval

• Ratio

Which of the following is the correct sequence in solving for mathematical operations?

• Parenthesis -> Squaring -> Multiplication or Division (from left to right) -> Summation ->   Addition or Subtraction

• Parenthesis -> Summation -> Multiplication or Division (from left to right) -> Squaring ->   Addition or Subtraction

• Parenthesis -> Squaring -> Addition or Subtraction -> Summation ->   Multiplication or Division (from left to right)

• Parenthesis -> Summation -> Squaring -> Multiplication or Division (from left to right) -> Addition or Subtraction

• 5, 661

• 6, 561

• 8, 281

• 7, 056

A set of eight scores consists of values 10, 15, 20, 25 and 30. Identify and compute for:  (X-2)

• 88

• 88

• 98

• 90

Refers to a set of individuals selected from a population, usually intended to represent the population in a research study.

• Inferences

• Generalizations

• Sample

• Number of Scores

A characteristic or condition that changes or has different values for different individuals. Specific characteristics of individuals (height, weight, gender, personality, etc.) or outside factors/ environmental conditions that change (temperature, time of the day, size of the room in which an experiment is conducted) that may influence them.

• Data

• Sample

• Treatment Conditions

• Variables

A naturally occurring discrepancy, or error, that exists between a sample statistic and the corresponding population parameter.

• Inferential error

• Descriptive error

• Significant error

• Sampling error

Statistical techniques that summarize, organize, and simplify data are classified as ____

• population statistics

• sample statistics

• descriptive statistics

• inferential statistics

Manipulation, control and random assignment of subjects in treatment conditions are all true about ____.

• Experimental method

• Nonexperimental method

• Correlational method

• All choices are possible answer

Cumulative frequency refers to:

• The portion of individuals who got a score in relation to the total number of scores.

• The percent of individuals who attained a score.

• The accumulation of individuals as you move up the scale.

• The number of times a score occurred.