Chapter 9

Question 1

Accuracy

Answer 1

Accuracy means that all aspects of the study systematically and logically follow from the research problem

Question 2

Feasibility

Answer 2

Is the capability of the study to be successfully carried out

Question 3

Extraneous variable

Answer 3

Interferes with the operation of the phenomenon of being studied

Question 4

Homogeneity

Answer 4

As a control for these and other summer problems researcher protestant should be demonstrate homogeneity

Question 5

Constancy

Answer 5

Refers to the ability of the data collection designed to hold the condition of the study to a cookbook like recipe

Question 6

Internal validity

Answer 6

Is the degree to which the experimental treatment not an uncontrolled the condition resulted in the observed effect.

Question 7

Maturation

Answer 7

Refers to the development of biological or psychological processes that operate within an individual as a function of time

Question 8

Instrumentation threats

Answer 8

Are changes in the berry bowls or observational techniques that make account for changes in the obtained measurement

Question 9

Selection bias

Answer 9

The threat to internal validity that arises when pre-treatment differences exist between the experimental group and a control group

Question 10

External validity

Answer 10

Concerns the generalizability other investigations findings two additional populations and two other environmental conditions

Question 11

Reactivity

Answer 11

Is defined as the participants responses to being studied

Question 12

Hawthorne effect

Answer 12

Participants may have behave in a certain way with investigator not because of the study procedures but nearly as an independent response to being studied

Question 13

Measurement affects

Answer 13

Administration of a pretest and a study affects generalizability of the findings to other populations