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What is the method that experiments first and explain later?
Inductive method
What is the method that explains first and experiments later?
Deductive method
What is construct validity?
Construct validity is the degree to which test scores are consistent with the theoretical constructs or concepts.
What is content validity?
Content validity is the systematic examination of all test items to determine if they adequately sample the full range of skills being tested.
True or False. reliability refers to consistency.
True
List if these statements are true or false.
1. An r value of 0.00 indicates there is no relationship between 2 measures.
2. The highest possible value of r is 1.00.
3. The lowest possible value of r is -1.00.
1. An r value of 0.00 indicates there is no relationship. between 2 measures. True
2. The highest possible value of r is 1.00. True
3. The lowest possible value of r is -1.00. True
True or Fasle. Experiemental designs are not useful in isolating cause-effect relationships between variables.
False
What design is used in a single subject experimental design?
ABA design
What is after the fact research called?
Ex post facto
True or False. In longitudinal research, different participants are studied over time.
False.
List the variables that may affect the internal validity of a study.
1. Instrumentation
2. History
3. Statistical Regression
4. Maturation
5. Attrition
6. Testing
What is the Hawthorne effect?
The Hawthorne effect is the extent to which a study's results are affected by the participants' knowledge that they are taking part in an experiment or that they are being treated differently than usual.
Name the scale in which the numerical values can be arranged according to ranks and be related to an absolute zero point.
A ratio scale
What level of evidence is a randomized clinical trial?
Class 1 evidence
What is statistical regression to the mean?
Statistical regression to the mean refers to the behavior that goes from an extreme high or low point to an average level
True or False.Ethnographic researches are inexpensive and yields data that are easily quantified.
False
What is a hypothesis that states that two variables are related called?
An alternative hyposthesis
The difference between the highest and lowest scores in a distribution of scores is called what?
A range
Define standard deviation.
Standard deviation is the extent to which scores deviate from the mean or average score.
What is the term used to describe the extent to which the same observer repeatedly measures the same event consistently?
Intraobserver or intrajudge reliability