LESSON 10

Question 1

the extent to which the measurements used, often questionnaires, actually test the hypothesis or theory

Answer 1

construct validity

Question 2

when people’s responses reflect, their ‘perceptions become part of the treatment’ construct under study

Answer 2

reactivity to the study situation

Question 3

a ‘similar threat stems’ from the researcher’s influence on participant responses through subtle communication about desired outcomes

Answer 3

researcher expectancies

Question 4

when treatment is new, participants and ‘‘research agents ALIKE might alter the behavior’’

Answer 4

novelty effects

Question 5

Used to support inferences about whether relationship exists

Answer 5

Statistical Method

Question 6

Refers to the ability to detect true relationships among variables

Answer 6

Low statistical power

Question 7

The control of extraneous variation through homogeneity is essy to use

Answer 7

Restriction of range

Question 8

Concerns the extent to which the implementation of an intervention is faithful to its plant

Answer 8

Unreliable implementation of a treatment