Indicate whether the following statements refer to internal validity or external validity. Does this experiment represent reality?
a. internal validity b. external validity.
Question 2
The fact that people may learn from test taking is an experimental validity threat known as ____; the fact that the measurement scale may change over the course of the experiment is called ____.
a. instrumentation; testing effect c. testing effect; instrumentation
b. maturation; testing effect d. instrumentation; selection
An example of external fertilization.
Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra
External female genitalia
internal organs chart
Hormonal Control of Development of the Internal Sex Organs
Bacteria with Internal Membranes